Safety Warning: 1. Wash the silicone chew necklace thoroughly with mild water and soap before first use and after each use. 2. For safety sake, recommend for children over 3 years old and use under adult supervision 3. Do not overly bite the corner or the raised bumps of the pendant on purpose in case of causing a choking hazard Package Feature: Material:100% Food grade silicone Size(single):10cm / 3.94inch*1.3cm / 0.51inch Package :2 pack necklace (Red,Blue,Green,Purple,Pink,Peppermin)