Babies like to place items in their mouths to engage their senses. Silicone clutching toys are ideal as the knobs and surface textures of the clutching toys feel different and help with relaxation. The four teething elements of different textures provide necessary oral stimulation. It relaxes the jaw muscles and it perfect for teething babies 6 months and up. Cleaning Instructions: HABA recommends boiling as the most natural way to clean and sanitize. They can also be washed by hand with soap and water (rinsing thoroughly) or placed safely in the dishwasher.