The Chuckit! Indoor Ball is made from textured chenille fabric and is safe for indoor use. Features Bounceflex Core technology for a lightweight design - soft enough when meeting a wall or furniture while still giving it just the right amount of bounce. Multilayer construction provides added durability. 12cm. Designed for easy indoor play, the Chuckit! Indoor Ball employs Bounceflex Core technology for a plush, lightweight feel and multilayer construction for improved durability. Its 12cm size provides the perfect amount of bounce for an enjoyable game of catch.