Environmentally Friendly Material: Made of high-density Oxford fabric that is durable and can withstand daily wear and tear. Safe and good for the environment. .Durable & Comfortable: The bag's size is 43 x 50 cm (16.93 x 19.68 inches), lightweight with a suitable size, fits all your needs. .Closure: Zipper, Drawstring .Drawstring Design: Drawstring closure allows you to quickly store things and easily take them in and out. Thick drawstrings prevent them from digging into your shoulders and help reduce your shoulder burden. .Breathability: Small holes in the polyester fabric's weave wick away moisture, help air to flow, keeping the product dry and fresh inside. .Wide Applications: Suitable for gym, school, athletics, travel, camping, hiking, amusement parks etc. Perfect gifts for children's birthday party, carnival, construction gifts, child safety campaigns, sports promotions. .