There is no way to seal the bag :( So it really only provides a cushion, no leak protection. I figured out how to inflate it by following the instructions on the product page but it's not easy to understand and there is him no direction with the product.
Innovative Nifisa Honeycomb Alternative: Remarkable Cushioning for Ultimate Comfort
4 Review
📦 6X10 Inch Pouches for Secure Cushioning in Shipping Supplies
3 Review
Heavy-Duty Perforated Sticker Supplies with Advanced Cushioning
3 Review
💨 Fuxury Blue Anti-Static Bubble Cushion Wrap Roll - 2 Rolls, 72 Feet Total: Protect and Secure with Air Bubble Technology!
3 Review