Amazon.com : ZOMAKE Lightweight Packable Backpack 30L 。Brand new, never used, and stored carefully — this lightweight packable daypack delivers a minimal, practical design perfect for hiking, travel, everyday errands, or spontaneous adventures. The nylon build is surprisingly roomy and folds into a compact pocket for easy storage. ⭐️ Features Style: Foldable daypack with chest buckle and whistle Fit: Adjustable straps, lightweight 0.74lb construction Fabric: Nylon with water-resistant and tear-resistant properties Perfect for hiking, travel, shopping, walking, cycling, and dog walks ? Condition: Brand new ? Measurements Unfolded: 19 x 13 x 7 inches Folded: 10 x 8 x 3 inches Capacity: 30L Weight: 0.74lb ? Materials / Fabric Nylon ? Compartments Main bag with inner partition Two front bags Two side bags One privacy pocket ? Carrying / Wearing Options Adjustable chest buckle with whistle Dual side compression straps Reflective strips on front bag ? Practical Use Water resistant (note: not completely waterproof) Smooth two-way SBS metal zippers with resin materials Foldable to sandwich-sized pocket Whistle for emergency signaling fast shipping, smoke-free home, bundle & save QjA3QzFMWkoxNQ==