This is a shell-shaped cover to be used over a 1kg diving weight. Color: white Size: Length x Width: 9cm x 8cm Please use it by covering your existing weight. Made of silicone, it is soft and easy to remove. The vibrant colors make it very noticeable in the sea. It's also cute to put several of them together. The third photo shows it attached to a Hele i Waho silicone belt. We have 5 colors available, so you can also buy multiple items in your desired color combination. Please contact us for details.