- VARIETY OCCASIONS - It's perfect for gym, sport, yoga, dance, travel, carry-on, luggage, camping, hiking, training and more! It’s a great gift for birthday and holidays for your kids. - ADJUSTABLE & COMFORTABLE: This gym bag has an adjustable drawstring so you can adjust it to the perfect length for your comfort. The sturdy and thicker strap can help reduce your shoulder burden. - PREMIUM MATERIAL - This waterproof gym sports backpack is made of high quality polyester for sturdiness and durability. Maintains good performance when subjected to daily wear and tear. - PRDUCT SIZE - This drawstring backpack measures 15" x 17". It is suitable for various items such as sportswear, shoes, textbooks, sports gear, etc. It has the large front zippered pocket and the interior zippered pocket. - ATTRACTIVE LOOK - Designed and manufactured by ourselves. Advanced printing process. A lifelike mermaid appears on the kids' backpack, surrounded by jellyfish, seahorses, and sea grass. Kids will love it.