Premium Material: The Baby Swim Float is made of PVC and PU leather, It's puncture resistant, quick drying, and soft to touch, ensuring your baby's comfort during their swimming time. Features: This swim float comes with a buckle lock for added safe and prevents the float from slipping off. Its unique design allows the baby's arms to be underwater while protecting their necks, making movements more flexible. Big Size Range for 3 months to 24 Months: Baby Pool Float is suitable for baby aged 3 months to 2 years with a chest circumference of less than or equal to 52cm. Design: Shoulder and crotch straps make a to keep a balance position. Wider space between left and right end easy to put child in and comfortable. Non inflatable: The pool float no need inflate, avoid leakage, greatly improved buoyancy. Note: Will not protect against drowning.Use only under constant supervision. Do not leave child unattended while device is in use. Specification: Material: PU Leather, PVC Size Chart: 59cmx50cm/23.23inchx19.69inch Package Includes: 1 Baby Swimming Float Note: Please allow slightly errors 1-2cm differences due to manual measurement.