Whatever age a child first goes into the water, they want to feel safe and secure, which makes the Konfidence Jacket a perfect introduction to swimming and water.. Made from neoprene they provide the wearer with warmth, comfort and a feeling of security. The bright yellow backs are also great for visibility to parents. The jacket comes with 8 easy to install floats, you can remove as few or as many as you like to give your child the level of buoyancy that makes them feel comfortable. The jackets are made with comfort in mind and have easy to use chunky YKK zips, soft lycra binding to prevent chaffing, velcro zip guard to prevent little fingers fiddling with zips. Comfortable to wear next to the skin or over sun protection wear or a swimsuit. Sizes 2-3 Fit chest measurement 56cms weight 26-35lbs Size 4-5 Fit chest measurement 61cms weight 36-46lbs Size 6-7 Fit Chest measurement 66cms weight 47-57 lbs