【Materials】: This tennis backpack is made of polyester material that is waterproof, lightweight. It was designed simple and comfortable, this sturdy professional tennis bag is a suitable for women, men, adults 【Additional Features】: Ergonomic design, comfortable and sturdy adjustable shoulder strap. Convenient and practical shoe compartment can also prevent sneakers from being scratched 【Premium Design】: The tennis bag is easy to hold racket, it has a large storage space, side pocket can hold water bottle. Tennis Backpack will hold all your tennis necessities and gear to keep organized 【Large Capacity】: Great to organize laptop, tennis balls, clothes, towel, etc 【Outdoor Sports Travel Bag】: This tennis backpack can be used for many outdoor activities, such as a pickleball paddles bag, racquet bag, racquet bag. Also, it can be used as a travel bag