●The thick and padded shoulder straps can be adjusted in length to distribute the weight of the skateboard bag reasonably, making it more comfortable when carrying the skateboard bag. ●The Laptop Backpack Dimensions(L*H*W): 11.8 x 17.7 x 6.3in; Material: Polyester; Waterproof coating. ●Constructed with high-density fabric, the adjustable chest strap is designed according to the principle of human body technology, which can easily reduce the pressure of the shoulders. ●An anti-theft bag is hidden on the back of the backpack, so that we can put valuables such as mobile phones into it to prevent theft. ●Great backpack for business, sport, outdoor activities; suitable for men, women. Ideal gift choice.