Made of thick waterproof Oxford cloth and durability plus bottom PP. 9L/11L/13L large capacity, it can absorb a lot of water, and has a strong handle, easy to carry for car cleaning and other activities. Excellent for home storage, camping, sandy beach, picnics, kids toys play room, gardening, fruits and veggies basket,cleaning,fishing, car care, hiking, traveling, backpacking. The price on the site is opp bag pack, if you need zipper bag pack, need to pay extra money.