1.Children swimming fin, comfortable and durable.2.Suitable for shoes size 25-32.3.Adjustable silicone footband, safe and reliable.4.Improve legs' strength and help children learn to swim.5.It is very suitable for training and swimming in open water.Specification:Material: PP + TPE + siliconeSize: suitable for shoes size 25-32Size: 40*40cm / 15.7*15.7inNote:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.3. Please wash the dark and light color clothes separately. 1cm=0.39 inch