10L Hiking Backpack with Survival Whistle, Foldable Travel Backpack, Unisex, Black

Features: Ultra-Light Performance Design - Experience exceptional portability with 0.73-pound construction offering generous 10L capacity. Perfect balance of lightweight efficiency and practical storage for essential items while maintaining comfortable carry. Innovative Dual-Access System - Maximize convenience with dedicated 7-inch phone sleeve on left shoulder strap and secure anti-theft pocket with elastic closure on right. Strategic placement ensures quick access to devices, wallet, and snacks during activities. Compact Travel Ready - Transform instantly to compact 6.5" x 7.5" folded size for efficient packing. The space-saving design easily stores in luggage or larger backpacks, providing versatile carrying options for any journey. Premium Weather-Shield Construction - Built with enhanced water-resistant nylon and professional-grade SBS zippers for superior durability. Features adjustable chest strap with integrated survival whistle and sunglasses holder for complete outdoor func