HIGH-QUALITY - Made from premium and durable Nylon, EPE foam and Polyester Lycra material, our swim vest for kids 30-70 lbs is soft and comfortable enough for kids to wear in the water. Snugly fit to arms and it is safe for kids to use. MORE SAFETY - Swimming arm sleeve floaties can help children to float in water, providing added safe protection when Kids learn to swim. The adjustable straps and double security buckle offers a safe support for kid whose weight is between 30 to 70 pounds. CARTOON PATTERN DESIGN - Lovely cartoon pattern on the swim armbands can help children improve their interest on learning swimming. And the bright color makes it easy for parents to keep an eye on children. EASY TO WEAR - Easy to put on and easy to clean. Lightweight and space-saving, convenient to carry anywhere. ENJOY SWIMMING TIME - Keeps balance in water with wearing this swim arm sleeves, and brings more freedom and confidence to swim and play. Enjoy the water fun with your kids.