25 LARGE (14” x 17”) POSH Thank You Poly Mailers Poly Bags BRAND NEW! Never Used! HIGH QUALITY, DESIGNER Poly Mailers for your small business. Use these Poly Mailers to dress up your orders and make them look professional. SIZE: 14” x 17” RESISTANT to Water, Punctures, and Tears SECURE CLOSURE LIGHTWEIGHT, so if you’re worried about the weight of your package, use these USPS-APPROVED mailers/bags instead of boxes that add weight. Any questions? Please ask.