Safety Material-High quality food grade silicone.BPA free.Dishwasher safe. Ensure Baby's Safety-No breakable parts, zero choking hazard. Effective Relief-The bumps on the back can soothe baby's swollen gums and teething discomfort. Refrigerate for better comfort.Age: 0 months and above. 8 Packs-Multiple teethers keep you from thinking about buying new teethers for a long time.Great value for money. The perfect gift for babies on Valentine's Day, Heart Teethers Toy shows your love.