Product description The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. LAIMEIWEE 13L FOLDABLE HIKING DAYPACK Previous page Next page Ultra-Portable Foldable Design: This small backpack unfolds to 16.14" × 9.65" × 5.5" for daily essentials. When not in use, it folds compactly into its self-packing pouch (6.9" × 6.3" × 1.95", similar to a sandwich size) for easy storage. Perfect for tucking into suitcases, handbags, drawers, car glove boxes, or as a lightweight backup pack inside your main hiking or camping bag Lightweight Yet Sturdy Construction: Weighing only 0.68 lbs (lighter than a can of soda), this lightweight backpack features high-quality 210D nylon with excellent abrasion and tear resistance plus water-repellent performance. Reinforced stitching and reliable SBS zippers ensure long-lasting use for hikes, commutes, and outdoor adventures without weighing you down Hydration-Ready Multi-Compartment Design: This collapsible hiking backpack keeps your gear neatly organized with a front zippered pocket, dual side pockets sized for 24oz water bottles, and a wide-opening main compartment. The built-in sleeve fits 13-inch tablets or a 3L hydration bladder (not included), while a shoulder strap tube port enables hands-free sipping on the trail. External bungee cords securely hold damp towels, wet jackets, or extra layers Adjustable Chest Strap with Survival Whistle: Slide it up or down and tighten as needed to achieve a secure, personalized fit for most body sizes—keeping your load stable on steep hikes, fast descents, or bumpy bike trails. The chest strap buckle doubles as a survival whistle, a handy safety tool for wilderness rescues or urban emergencies Ver