The Tactical Survival Backpack is designed to be your reliable companion for various activities, from school to outdoor adventures. Crafted from durable polyester material with a softback design, this backpack comfort and functionality. The integrated bottle holder ensures you stay hydrated on the go. With a capacity of 20-35 liters, it provides ample space for your essentials. The air cushion belt carrying system enhances comfort during extended wear. Whether you're hiking, attending school, or embarking on survival missions, this backpack is a practical choice for men. SPECIFICATIONS Origin: Mainland China CN: Zhejiang Main Material: Polyester Lining Material: Polyester Backpacks Type: Softback Closure Type: Zipper Capacity: 20-35 Litre Item Type: Backpacks Place Of Origin: China (mainland) Carrying System: Air Cushion Belt Gender: Men Rain Cover: No Pattern Type: Solid Choice: Yes Key Features: Durable polyester construction for longevity Softback design for comfortable wear Integrated bottle holder for easy access to hydration Suitable for various activities such as hiking and school Choice option available for customization Please Note: Actual product color may vary slightly due to lighting and monitor settings.   Parameters: 25L Size: 40cm x 25cm x 25 cm dimensions and appropriately sized 25L capacity 45L Size:  50cm x 30 cm x 30 cm dimensions and appropriately sized 45L capacity