The Sassy Drive n’ Drool Keys with Rattle Key Chain & 3 Teether Keys is a teething toy suitable from 0 months old. This toy includes a rattle key chain and three teether keys in a fun key-shaped design. Made of dishwasher-safe materials, this teething toy is easy to clean and safe for babies to play with. With a theme of keys, this toy from Sassy is a great option for babies to chew and play with while teething.