Size: 231919.5cm. High Quality Silicone Swim Caps: Our kids swim caps are made of eco-friendly silicone, odorless, non-toxic and formaldehyde-free, soft and elastic, and won't break after months of continuous use. Good elasticity: Children's silicone swimming caps are easy to stretch, the elastic effect is better than ordinary swimming caps for kids, suitable for most girls and boys with medium and short hair between the ages of 5 and 10. Snug Fit: Our kids waterproof swim caps have thick brim and non-slip mesh at the inside of the cap to ensure that it fits snugly and does not slip. Ideal for children taking training, swimming lessons and recreational swimming. Bright colors: our waterproof swimming caps are available in a variety of beautiful colors to make your child more attractive and recognizable in water. Care instructions: Rinse with clear water and dry after each use. Do not expose it to direct sunlight or near heat sources and do not touch sharp objects.