500 Pack WINE BOTTLE PROTECTOR - Perfect for your bottles transportation! ✓ All-round protective, leak-proof design without risk Our wine bags are all-round protection design, no breakage, no spills and no worries. Each air column is independent so if one fails, the rest stay inflated and the package won't leak. ✓ Easy to carry and use Easily stored in suitcases and backpacks, traveling with your favorite drinks! ✓ Wide Application Fit maximum bottle height 13 inches Ideal for glasses, electronic devices, cups and wine bottles. ✓ Reusable over and over again The wine bottle protector can't deflate, but it can reuse many times after inflated. How to use? 1. Find the inflate air channel at the edge of the bag, follow the green arrow. 2. Insert air pump and start inflating. 3. Remove out the inflator directly after the bag is filled. 4. Place the wine bottle in bag Important Note: You can reuse them to make multiple trips because it holds the air for long time, but it cannot be deflate once inflated. If you have any questions regarding them, please contact us.