Configuration : One main pocket with interlayer, two front pockets, two side pockets, two waterproof zipper and one SBS zipper, two thumb button on the shoulder, the samll bag when not use could put bag, and it is safer to hang valuables on the D button of the main bag when using.
Lightweight: The backpack weight only 0.4LBS is made of ultra-thin materials which is very lightweight. When not in use, it can be folded without occupying space for easy storage. The capacity is 20L in use the roomy enough for your laptop, tablet, clothes, towel and journal etc. Essential for travel, hiking, cycling.
Comfortable: This is the perfect travel backpack that can be used every day.Normal foldable bag uncomfortable to carry because the back too thin, CRAZY STONE bag makes you feel more comfortable on the back and reduces back wear which increases the softness. Mesh shoulder straps are more breathable, even sweating is not easy to get stuffy. The length can be freely adjusted and firm. Two thumb buttons on the shoulder straps to relieve shoulder pressure when carrying heavy objects.
Durable & Tear Resistant: Made with high quality and abrasion resistant water-resistant coated Nylon material. You'd think it would be too thin to carry much, but we've done our own experiments we put 10kg in the bag, hang for 48h and it's still in good condition. The waterproof zippers to prevent water penetrate into the backpack through the gap of the zipper. Can effectively protect the luggage in rainy days.