EASY TO CLEAN: very easy to clean, just wash the sensory chewing toys with soapy water, or wash it with dishwasher. Our teethers for babies can be sterilized by boiling water, steam sterilizer and sunlight. -40? to 200? Temperature resistant, we suggest cleaning it before first use and after each use. FUN TEETHING TOYS: Our sensory teething toys set includes 1 pcs T shaped, 1 pcs Y shaped sensory chewy toys and 2 pcs teething tubes, helps keep your kids from chewing on fingers, pencils, hands, clothes, hairs, etc. Reducing stress, anxiety especially when they need to soothe, calm, or focus. STIMULATING SENSORY: Sensory chew toys with 4 different colors promote brain development and emotions-sparks creativity. Our oral motor therapy tools are suitable for mild, moderate and aggressive chewers. MULTIPLE TEXTURES: The autism chew toys sensory toys with multiple unique texture met different sensory needs, helps reduce anxiety, soothe sore gums and stay focus, so that they won't chew their finger, nails or clothes anymore. SAFE MATERIAL: Sensory teething tubes are made with 100 food grade silicone, BPA without, refrigerator and freezer safe. An ideal sensory oral motor teething toy for autism SPD and ADHD.