Amazon.com: Small Hiking Backpack, 20L Lightweight Travel 。✨ Lightweight Hiking Daypack for Outdoor Adventures A compact, multi-pocket backpack designed for short hikes, day trips, and commuting. Features a breathable back panel, adjustable straps, and water-resistant fabric for comfortable all-day use. Condition: Brand new Measurements: • 10.8\"D x 6.5\"W x 18.9\"H • Capacity: 20 liters • Weight: 1.37 lb (620g) Materials / Fabric: • Nylon • Polyester Features: • Breathable mesh back panel for heat dissipation • Adjustable chest strap and waist belt for weight distribution • Hydration bladder holder (bladder not included) • Water-resistant fabric protects from light rain • Reflective strips for nighttime visibility • Whistle buckle for emergencies • 2-way zipper with pull rings for easy opening Compartments: • Main compartment fits 16\" laptop or 2L water bladder • Zippered front pocket • 2 side pockets for 1L water bottles • Sunglasses/keys pocket on shoulder straps • Front stretch strap for clothing/shoes • Side attachments for trekking poles Carrying / Wearing Options: • Wear as a daypack with ergonomic shoulder straps • Adjustable waist belt and chest strap for secure fit • Side attachments for trekking poles Practical Use: Ideal for hiking, trekking, camping, day travel, and commuting. fast shipping, smoke-free home, bundle & save B0GRTSSWF4