Luckstone Super Light 35L Waterproof Backpack for Outdoor Camping Hiking Travel It is crafted from water resistant oxford cloth, high intensity and durable. The buckles around the chest to stop slipping. Attached with an ideal drawstring sack to make the hammock easy to carry and use. 2 water bottle holders design on both sides. Various pockets for items storage, such as phones, computers, books and other daily products.