New just opened to show item The bag has a capacity of 30L and can be carried, hung on the shoulder, used as a gym bag, or used for outdoor travel. Alternatively, use a strap to go through the four loops of the bag and tie it to your bike rack, motorcycle A WEAR-RESISTANT AND STAIN-RESISTANT : Made of PVC material, resistant to low temperatures, the middle layer is 500D 18*23 polyester high-density mesh EXCELLENT WATERPROOF FUNCTION : PVC waterproof material ensures waterproofness and realizes the effect of putting water in.