[Safe and Secure]This children's swimming vest has a D-shaped buckle and can be used with a children's anti-lost rope. It is equipped with an emergency whistle for swimming safety. With two buckles wrapped in cloth, it is more secure and skin-friendly. [Wearable on Both Sides]Toddler pool floaties can be worn on both sides: front wear is water wing, and back wear is back float. Suitable for use at the pool, beach, boat, or lake under adult supervision. [High-quality Material]Made of durable nylon fabric and Epe foam, skin-friendly and comfortable for kids weighing 20-50 lbs. [Y-shaped Design]Designed with Y-shaped shoulder straps, easy to wear and prevents the vest from taking off without help. [Lovely Pattern]Colorful printed patterns on the arm wings, beautiful and lovely. Bright colors improve visibility and safety. weight: 0.42 pounds.