The cute Lucky Shamrock clutching toy encourages children to reach out, grasp and play. Because of its shape, it not only helps to develop baby’s manual motor skills but also provides extensive sucking and chewing pleasure. This lucky little teether measures approx 2.8" x 2.8". Made of silicone, it is very soothing for teething babies HABA recommends boiling as the most natural way to clean and sanitize. Teether can also be washed by hand with soap and water (rinsing thoroughly). HABA teethers are dishwasher safe. Please do not use a home sterilizer. Suitable for ages 6 Months and up. All HABA toys are rigorously tested according to European and American Federal safety standards for toys. 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. Please do not use a home sterilizer.