STRONGER & PRIVATE Opaque plastic shipping bags with hot-melt self-seal close fast and stay shut. Multi-layer LDPE is tear & water resistant to protect apparel, returns and accessories. Matte surface accepts thermal labels and scans cleanly. Core sizes include poly mailers 10x13 and poly mailers 14x19 for clothing shipping bags; ideal mailers poly bags for small business, eBay, Etsy, Amazon FBA. Not padded—no bubble lining. Great as plastic shipping bags for clothes and mailing bags for clothes. 3 SIZES, ONE BUNDLE — Value multi size pack: 30 plastic mailer bags (10× 8x12, 10× 10x13, 10× 14x19 in). Right-size each parcel to cut DIM weight and ditch bulky boxes. Neutral grey looks brand-ready and professional. Perfect mailing bags for clothes, shipping bags 10x13, large mailing bags and large shipping envelopes. Use as poly mailers / mailing bags / shipping poly mailers for clothing packaging. Includes poly mailer 10x13 for tees, shipping bags 10x13, plus large poly mailer 14x19. PREMIUM BUILD — Reinforced sides add stretch and puncture resistance; seams lie flat in sacks and conveyors for safer transit. WHAT’S INCLUDED & HOW TO USE: 30 poly mailers (10 × 8x12 in, 10 × 10x13 in, 10 × 14x19 in). Place item inside, smooth the flap, peel the liner, then press firmly edge to edge to self-seal. Remove or cover old barcodes/labels before reuse. Store flat and away from heat to protect the adhesive. For clothing and other soft goods. Not padded; no bubble lining.