Reusable / inflatable bottle protector. Simply place bottle to be transported inside, on center (this gives adequate cushion buffer at top and bottom of bottle). Inflates quickly using inflation valve located 3″ below top. Squeeze valve when ready to deflate. Gusset bottom. Material 0.30mm PVC plastic. 15 5/8″ H, 6 1/2″ W, flat / deflated. Retail pack folds down to 6 3/4″ x 3 3/4″.