Choose Size: 7.5×10.5 inch, 9×12 inch, 10×13 inch, 12×15.5 inch, 12×16 inch, 14×17 inch, 14.5×19 inch, 19×24 inch. Color: Light Gray 2.5 mil poly mailers White outer surface Black privacy lining Great for non-fragile items A high strength durable closure, water and dirt resistant Approved by UPS, FedEx, and USPS. Puncture resistant and tamper/water proof. Provides excellent protection during shipments. Used to Ship Lighter Weight items. High adhesive seal strip—packages are tightly secured after 3-5 minutes sealed. Inks, Stamps, Labels adheres easily.