Made of non-toxic, high-quality materials that are safe for children. Inventive Designs Brings water closer to children and eliminates the need for hand washing. Compatible with all standard bathroom faucets. There are no sharp edges, so it's completely safe for little hands. No tools are needed for installation, and it is completely reusable. Caution & Tips: Once your child has reached the age that he or she will remove the product on his or her own, you might want to stop using it.