Generic null Hydration Pack Bicycle Backpack for 2L Water Bladder 23x4x21cm

Description:
Compact backpack for cycling, or running. It has a large compartment that is designed for carrying a 2L water bladder. The front zipped pocket is designed with interior mesh compartment and interior zipped mesh pocket. Mesh pockets to wide shoulder straps for carrying smartphone or tissue. Adjustable waist strap, adjustable chest strap can fit your body sizes and help to keep the backpack steady. Have this lightweight, multi-pockets backpack for cycling, running, or hiking.
Features:
Nylon Material: Made from nylon material, it is waterproof and wear-proof, lightweight to wear, durable for daily outdoor activities.
Water Bladder Compartment: Large enough to carry a 2L water bladder (not included), or folded umbrella, clothes, etc. 
Front Zipped Pocket: Front zipped pocket with interior mesh compartment and interior zipped mesh pocket to carry maps, cards or cash.
Mesh Pockets: One mesh pouch pocket to front and four mesh pockets to shoulder straps, conveniently carry towel, tissue or other essential items.
Adjustable Straps: Adjustable shoulder straps, adjustable chest straps and adjustable waist straps to fit your size and keep the backpack from moving. 
Reflective Trims: Reflective trims increase visibility for safer cycling, walking, and jogging at night.
Convenient Outdoor Backpack: Fits for cycling, running, hiking, camping, and short trips.
Insulated Bag: Comes with an 11.8"X5.5" (30X14CM) insulated bag for water bladder, keeping the water cool in summer.
Specifications:
Age Group: Adult
Gender: Unisex
Color: Blue / Rose / Grey / Black and Grey / Black and Red (optional)
Material: Nylon
Pattern Type: Patchwork
Style: Active, Outdoor
Backpack Size: Approx. 41 * 29cm / 16.1 * 11.4in
Weight: Approx. 360g / 12.7oz          
Note:
1. Backpack ONLY. Bladder is NOT included.
2. Size information is just for reference only, please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks.
3. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.
Package List:
1 * Backpack
1 * Insulated Bag

• Nylon Material: Made from nylon material, it is waterproof and wear-proof, lightweight to wear, durable for daily outdoor activities.
• Water Bladder​​​​​​​ Compartment: Large enough to carry a 2L water bladder (not included), or folded umbrella, clothes, etc.
• Front Zipped Pocket: Front zipped pocket with interior mesh compartment and interior zipped mesh pocket to carry maps, cards or cash.
• Mesh Pockets: One mesh pouch pocket to front and four mesh pockets to shoulder straps, conveniently carry towel, tissue or other essential items.
• Adjustable Straps: Adjustable shoulder straps, adjustable chest straps and adjustable waist straps to fit your size and keep the backpack from moving.