Size -41 * 33cm (length x width), you can also freely adjust the length of the shoulder strap by tying a knot under the rope. High quality materials and durability - The drawstring backpack is made of advanced waterproof technology and high-quality polyester fabric, maintaining good performance in daily wear and tear. Thickened drawstring provides a comfortable experience - Thickened drawstring prevents it from getting stuck in the shoulders, helping to reduce the burden on the shoulders. In addition, the drawstring closure allows you to quickly store items and easily retrieve and remove them. Fashionable and Durable - Our sports backpack comes in a variety of bright colors to choose from, making it a perfect addition to your fitness equipment collection, perfect for any indoor or outdoor activity, and an excellent gift for friends and family. Multiple uses - very suitable for storing sports shoe accessories, toys, small electronic products, stationery, towels, clothes, and groceries. Used for outdoor activities, swimming, sports, holidays, schools, supermarkets, short trips, and home storage. Color: Pink