17 x 21'' (#7) Self Seal White Rigid Mailers 100ct

Great for shipping items that need to stay flat. Ship and protect photos and documents without stiffeners.

• Peel and seal closure 
• Strong .038 kraft chipboard construction protects contents from crushing
• Light-weight to save on postage
• Pull tab tear strip for easy opening
• Ink, self-stick stamps and labels adhere easily
• Sizes listed are inside dimensions
• Each weighs 9.8 ounces
• 100 Mailers