1. About the size. Size: 32*21*10 (cm)/12.6*8.3*3.9 (inch)
We have stated the size clearly in the description. Please check it carefully before you purchase it. If you make a mistake to buy it without reading the description carefully, please return it for refund.

We are honest seller and will do our best to provide the best quality items in reasonable price for all customers.

Thanks for all your supports and suggestions.

• Nylon is water-resistant,sturdy and lightweight
• Product size: 8.3 x 12.6 x 3.9 inches (L*H*W)
• This backpack has 3 zip pockets and 1 smaller zip pockets inside & back for keys,lip balm & small items. The big enough main compartment fits a tablet,such as iPad Air.
• The sling bag is very convenient when you go walking, hiking, amusement park, traveling and casual use. You can put your necessary things like iPad ,phones, camera, tablets, keys, snacks, etc.
• Adjustable and comfortable straps,three ways to carry,crossbody bag/backpack/Chest bag

Nylon is water-resistant,sturdy and lightweight