4 months and up. Give babies a safe introduction to cups with these Grip N' Sip Soft Spout Trainer Cups. Their double-sided handles make them easy for small hands to hold, and their bite-resistant spout prevents babies from hurting themselves and closes when a baby stops sucking to prevent leaks and spills. The cups' grooved textures also induce sensory stimulation and promote tactile exploration. Set of 9.