From Itzy Ritzy, this teether features: Silicone teether with rattle Shake, rattle and teethe Get ready for triple the fun with the Sweetie Shake Plus The soft silicone teether, colorful dancing beads and gentle rattle sounds are perfect for sensory seekers tiny to toddler Age: 3mos+ Materials: silicone Dimensions: 3.5" L x 0.7" W x 3.4" H Soft, flexible silicone Textures soothe sore gums  Gentle rattle sound Before use, hand wash with mild soap Imported.