The Ultimate Backpack Fits In Pocket Color:blue Just blow on the outer

Just blow on the outer ring and fill the inner part with water

Surprise Anyone

high and low free expansion and contraction

unique creative and practical

The Ultimate Backpack Fits In Pocket Color:blue Just blow on the outerWaterproof, Packable, Lightweight and Durable The ultimate backpack that fits in your pocket Big enough for all your adventures Small enough to fit in your pocket FEATURES: Pack and Unpack In Seconds: Made with lightweight and durable material that easily and packs and unpacks in seconds. Made with 100% Waterproof Material: The main 25L compartment is completely waterproof and doubles as a dry sack. Easily access your essentials on the go with the