Availible in 3 and 4 inch sizes.
See also the matching shirt and mug at:
https://apologyapparel.com/collections/c-s-lewis/products/reepicheep-sail-paddle-swim
https://apologyapparel.com/collections/unique-mugs/products/reepicheep-sail-paddle-swim-mug
.: For indoor use
.: Not waterproof