Specifications: Two chambers for safety and better buoyancy. Our baby swim float can help your baby to grow while stimulating early learning and development from as early as one month old. It's important that babies acquire different kinds of movements and physical abilities during their first year of life in order to promote the development of higher functions of the brain. Provides a sense of security and comfort for baby in the water. Type: Swimming Ring Material: PVC Features: Portable, Inflatable, Float Tube Outer Diameter: 40cm/15.75" (Approx.) Inner Diameter: 9cm/3.54" (Approx.) Instructions for Use: Inflate the bottom plugs first and then the other side. Do not over inflate this neck float and you should only need to inflate it until 80% full. Once inflated on both sides, push the two plugs inside the float. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Swimming Ring