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By certification 
The JOLLY JOGGER Bags Waterproof Camping Backpack equips breathable sponge padding mesh back support. It has 3 compartments with multiple adjustable straps and attachment loops, 2 waist belt, 2 mesh elastic bottle pouches.The main compartment design for hydration bladder with water outlet on right hand side.
The high quality and durable material provide long-lasting durability against daily activities and great usage experience on your outdoors adventure.
Features:
There are 3 compartment with SBS zippers and buckles, 2 waist strap belt and 2 mesh bottle pouches.
The big compartment design for hydration bladder(compatible for 2-4L,Not provided)
The padded internal pouch with adjustable strap for your laptop (up to 15") or any tablet.
Bearing system:
The adjustable widened and thickened S-type mesh shoulder straps with buckle chest clip work comprehensively to distribute the backpack’s weight with steady and centered.
The breathable back support provide excellent ventilation and easing burden along your shoulders.
Demensions:
Water- Resistant Nylon
Capacity: 50 Liters
Item Wright: 2.4 lbs (1.1 kg)
Product Dimensions: 25.6 x 13.8 x 5.9 inches ( 65 x 35 x 15 cm)
http://www.jollyjoggerbag.com/
