Skip to main content Skip to footer
Helping your business win

Unlock $20 Off & Exclusive Deals! Redeem Now

Chat| 1-800-982-3400
Fanatical customer service since 1956
Coupons & Rewards Hot Deals Buy Again
Save 5% with Rewards+
Track an order
Shared cart
Reward not redeemed
You dont have enough points to redeem this reward.
Favorite list
Alternative Items
12 3/4 x 15 Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
$39.99
Per carton
Add to cart
Earn 39 points
Description
Specifications
Accessories
Reviews
  1. Home
  3. Shipping, Packing & Mailing Supplies
  5. Mailing Supplies
  7. Mailers
  9. Fiberboard Mailers

12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)

Order 12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P) today at Quill.com and get fast shipping. Stack coupons to get free gifts & extra discounts!
Item #: 901-RM4SS25PK
Model #: RM4SS25PK
Brand: SI Products
(1 reviews)
Item #: 901-RM4SS25PK
12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
12 3/4 x 15 Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
Price Drop
$39.99
Per carton
1 PACK = 1 CASE
1 PACK = 1 CARTON
12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
Add to cart
Earn 39 points
Free delivery
Ship to: 60069
Submit
Free delivery
Fri, Apr 4 - Mon, Apr 7
Free returns
Add to list
Request bulk pricing

Frequently bought together

Price Drop
12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P) 12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
This item 12 3/4" x 15" Self-Seal Flat Mailers, White, 25/Case (RM4SS25P)
Item #: 901-RM4SS25PK
(1)
$39.99
Per carton

$39.99

Add to cart
+
Extra-Rigid Photo/Document Mailer, Cheese Blade Flap, Self-Adhesive Closure, 11 x 13.5, White, 25/Box Extra-Rigid Photo/Document Mailer, Cheese Blade Flap, Self-Adhesive Closure, 11 x 13.5, White, 25/Box
Extra-Rigid Photo/Document Mailer, Cheese Blade Flap, Self-Adhesive Closure, 11 x 13.5, White, 25/Bo
Item #: 901-2708709
$60.99
Per box

$60.99

Add to cart
+
StayFlat White Mailers, 12-3/4" x 15", 100/Case StayFlat White Mailers, 12-3/4" x 15", 100/Case
StayFlat White Mailers, 12-3/4" x 15", 100/Case
Item #: 901-424854Q
$122.99
Per carton

$122.99

Add to cart
Total $223.97
Add all to cart

Customers also viewed

8-1/2x12 Waterproof Mailers; 100/Case
Durabubble® Waterproof Mailers; #2, 8-1/2x12", 100/Case
Item #: 901-B833
(1)
$163.99
Per carton
Add
Earn 163 points
Staples 6.75 x 9 Self-Sealing Bubble Mailer, #0, White, 250/Carton (ST56630)Staples 6.75 x 9 Self-Sealing Bubble Mailer, #0, White, 250/Carton (ST56630)
Staples 6.75 x 9 Self-Sealing Bubble Mailer, #0, White, 250/Carton (ST56630)
Item #: 901-949116
(4)
$82.99
Per carton
Add
Earn 82 points
Extra-Rigid Photo/Document Mailer, Cheese Blade Flap, Self-Adhesive Closure, 11 x 13.5, White, 25/Bo
Extra-Rigid Photo/Document Mailer, Cheese Blade Flap, Self-Adhesive Closure, 11 x 13.5, White, 25/Box
Item #: 901-2708709
$60.99
Per box
Add
Earn 60 points
Price Drop
5 x 7 Staples Chipboard Pad, 1125/Case (CP57)5 x 7 Staples Chipboard Pad, 1125/Case (CP57)
5" x 7" Staples Chipboard Pad, 1125/Case (CP57)
Item #: 901-948674BOX
(2)
$64.99
Per carton
Add
Earn 64 points
SI Products Chipboard Pad, 8.5 x 11, Kraft, 750/Carton (BSCPHD8511)
SI Products Chipboard Pad, 8.5" x 11", Kraft, 750/Carton (BSCPHD8511)
Item #: 901-948237BOX
(2)
$144.99
1-9 carton
Save 8%
$132.99
10+ carton
Add
Earn 144 points
Staples 10 x 13 Self-Sealing Poly Mailer, White, 500/Carton (TR56659)Staples 10 x 13 Self-Sealing Poly Mailer, White, 500/Carton (TR56659)
Staples 10 x 13 Self-Sealing Poly Mailer, White, 500/Carton (TR56659)
Item #: 901-949131BOX
(4)
$103.99
Per carton
Add
Earn 103 points
Staples 9 x 12 Self-Sealing Poly Mailer, #2, White, 500/Carton (ST56622)Staples 9 x 12 Self-Sealing Poly Mailer, #2, White, 500/Carton (ST56622)
Staples 9 x 12 Self-Sealing Poly Mailer, #2, White, 500/Carton (ST56622)
Item #: 901-947795BOX
(14)
$92.99
Per carton
Add
Earn 92 points
StayFlat Mailers, 9 x 11-1/2, White, 100/Case (ENVRM2PSWSS)
StayFlat Mailers, 9" x 11-1/2", White, 100/Case (ENVRM2PSWSS)
Item #: 901-424862Q
$100.99
Per carton
Add
Earn 100 points
StayFlat White Mailers, 9 x 11-1/2, 100/Case
StayFlat White Mailers, 9" x 11-1/2", 100/Case
Item #: 901-424850Q
(3)
$66.99
Per carton
Add
Earn 66 points
Staples 13.13 x 17.75 Self-Sealing Bubble Mailer, #6, White, 50/Carton (ST56657)Staples 13.13 x 17.75 Self-Sealing Bubble Mailer, #6, White, 50/Carton (ST56657)
Staples 13.13 x 17.75 Self-Sealing Bubble Mailer, #6, White, 50/Carton (ST56657)
Item #: 901-947382BOX
(4)
$53.99
Per carton
Add
Earn 53 points
Quill Brand® Brand® 10.5W x 15L Peel & Seal Bubble Mailer, #5, 12/Pack (51589-CC)Quill Brand® Brand® 10.5W x 15L Peel & Seal Bubble Mailer, #5, 12/Pack (51589-CC)
Quill Brand® Brand® 10.5"W x 15"L Peel & Seal Bubble Mailer, #5, 12/Pack (51589-CC)
Item #: 901-657401Q
(284)
$26.99
Per pack
Add
Earn 26 points
StayFlat Kraft Mailers, 9 x 11-1/2, 100/Case
StayFlat Kraft Mailers, 9" x 11-1/2", 100/Case
Item #: 901-424832Q
$100.99
Per carton
Add
Earn 100 points
StayFlat White Mailers, 11 x 13-1/2, 100/Case
StayFlat White Mailers, 11" x 13-1/2", 100/Case
Item #: 901-424852Q
(1)
$61.99
Per carton
Add
Earn 61 points
Quill Brand® Brand® 13.13 x 17.75 Self-Sealing Bubble Mailer, #6, 25/Carton (ST56614B)Quill Brand® Brand® 13.13 x 17.75 Self-Sealing Bubble Mailer, #6, 25/Carton (ST56614B)
Quill Brand® Brand® 13.13" x 17.75" Self-Sealing Bubble Mailer, #6, 25/Carton (ST56614B)
Item #: 901-909750
$43.99
1-9 carton
Save 9%
$39.99
10+ carton
Add
Earn 43 points
Quill Brand® Brand® 14.25W x 19L Peel & Seal Bubble Mailer, #7, 12/Pack (51595-CC)Quill Brand® Brand® 14.25W x 19L Peel & Seal Bubble Mailer, #7, 12/Pack (51595-CC)
Quill Brand® Brand® 14.25"W x 19"L Peel & Seal Bubble Mailer, #7, 12/Pack (51595-CC)
Item #: 901-657402
(156)
$20.79
Per pack
Add
Earn 20 points
StayFlat Mailers, 11 x 13-1/2, White, 100/Case
StayFlat Mailers, 11" x 13-1/2", White, 100/Case
Item #: 901-424855Q
$115.99
Per carton
Add
Earn 115 points
11 x 11 x 11 Shipping Boxes, 32 ECT, Brown, 25/Bundle (111111)
11" x 11" x 11" Shipping Boxes, 32 ECT, Brown, 25/Bundle (111111)
Item #: 901-557114
(4)
$57.99
Per bundle
Add
Earn 57 points
Staples 10.25 x 13.5 Self-Sealing Bubble Mailer, #4, White, 100/Carton (ST56627)Staples 10.25 x 13.5 Self-Sealing Bubble Mailer, #4, White, 100/Carton (ST56627)
Staples 10.25 x 13.5 Self-Sealing Bubble Mailer, #4, White, 100/Carton (ST56627)
Item #: 901-949086
(3)
$81.99
Per carton
Add
Earn 81 points
Staples 11.25 x 15 Self-Sealing Bubble Mailer, #5, White, 100/Carton (ST56628)Staples 11.25 x 15 Self-Sealing Bubble Mailer, #5, White, 100/Carton (ST56628)
Staples 11.25 x 15 Self-Sealing Bubble Mailer, #5, White, 100/Carton (ST56628)
Item #: 901-949087
(8)
$75.99
Per carton
Add
Earn 75 points
SI Products 11 7/8 x 11 7/8 Corrugated Layer Pad, 100/Bundle (BSSP11)
SI Products 11 7/8" x 11 7/8" Corrugated Layer Pad, 100/Bundle (BSSP11)
Item #: 901-949093
$49.99
1-2 bundle
Save 6%
$46.99
3+ bundle
Add
Earn 49 points
Description
Specifications
Accessories
Reviews
Attractive white mailers provide a clean, professional and high quality appearance
  • Overall Mailer Dimensions: 12 3/4"W x 15"L
  • Self-seal adhesive strip seals mailer securely and provides a tamper-evident closure
  • Lightweight mailers reduces postage costs
  • 25/Carton
  • Attractive white mailers provide a clean and professional appearance
  • Lightweight mailers reduces postage costs
Brand
SI Products
Color Family
White
Length in Inches
12.75
Mailer Closure
Self-Sealing
Mailer Length
10"-14"
Mailer Pack Size
11 to 50 Per Pack
Mailer Type
Fiberboard
Mailer Width
15"-19"
Material of Item
Paperboard
Pack Qty
25
Tear Strip
with Tear Strip
True Color
White
Width in Inches
15
Scotch Heavy Duty Packing Tape with Dispenser, 1.88 x 22.2 yds., Clear (142)Scotch Heavy Duty Packing Tape with Dispenser, 1.88 x 22.2 yds., Clear (142)
Scotch Heavy Duty Packing Tape with Dispenser, 1.88" x 22.2 yds., Clear (142)
Item #: 901-142Q
(2051)
$5.79
Per each
Add
Earn 5 points
Scotch Box Lock 1.88 Packing Tape Dispenser, Clear, 6/Pack (1956)Scotch Box Lock 1.88 Packing Tape Dispenser, Clear, 6/Pack (1956)
Scotch Box Lock 1.88" Packing Tape Dispenser, Clear, 6/Pack (1956)
Item #: 901-24461303
(10)
$30.99
Per pack
Add
Earn 30 points
Price Drop
Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)
Scotch™ Cushion Lock™ Expanding Protective Wrap, Tan, 12 in x 30 ft (PCW-1230)
Item #: 901-24503159
(10)
$6.79
Per each
Add
Earn 6 points
Quill Brand® 5/16 Bubble Roll, 12x30, Each (27176-US/CC)
Quill Brand® 5/16" Bubble Roll, 12"x30', Each (27176-US/CC)
Item #: 901-835124STP
(629)
$10.99
Per each
Add
Earn 10 points
Quill logo

Helping your business win

Get supplies, get rewards

Earn one point for every dollar spent, with so many ways to use them.

Your order has arrived

Fast, free shipping on orders $25 or more. Returns are easy, too.

Savings on savings on savings

Stack promotions, coupons, & rewards, stretching your dollars.

We love phone calls

Our award-winning customer service is here to help anytime.
Just call 1-800-982-34001-800-982-3400

Your feedback helps us serve you better

Share Your Thoughts With Us on

Quill help center

Call us 1-800-982-3400

New to Quill? Would you like to learn more about how we can help your business?

Start a chat.
Email us.
Looking for coupons?
You will be redirected to travel.quill.com in a new tab. Hit Okay to continue.
Okay
Go to Cart
Subtotal: ( items / rewards):
Rewards balance:
Rewards & coupons center
Loading your cart
Quick view
Shared Cart Details
Please review this product
Upgrade to Rewards+
$99.99/year
Member benefits
Free shipping-no minimum
As a member, you never have to worry about hitting an order minimum
View policy
5% off everyday low prices
Sales not included
Plus, save an additional 5% off our best 10-ream paper price
Earn 10% more points for every $1 spent
Exclusive Rewards+ offers
Site-wide price match
View policy
Receive 30 extra days to use your points
Disclaimer
Offers and discounts exclude HP,Samsung and Epson. We offer a worry-free enrollment guarantee - if you are not satisfied with your Rewards+ membership, you can cancel at any time for a prorated refund. By enrolling into the Reward+ program, you are agreeing to the Terms and Conditions.
See full membership details