TopPerfektStrap Compatible With Fitbit Ace 2 for Kids 6, Soft Silicone Waterproof Bracelet Accessories Strap Boys Girls Wristbands Compatible for Fitbit Ace 2

Not great quality, it's made of a really hard plastic like material rather than the soft silicone of the original. My daughter wanted it in her favourite colour, yellow, but within a day it had gotten very grubby looking. It seems to pick up the dye from whatever is rubbing off of it.