ARK’s Bite-n-Chew Tip is an attachment for the Z-Vibe specifically designed to promote a sustained bite, practice biting and chewing skills,improve jaw strength and stability, and build oral motor skills. It can also be usedoutside the mouth on the cheeks and lips for added stimulation.\nThe Bite-n-Chew Tip is available in 4 different versions: thinner/smooth, thicker/smooth, thinner/textured, or thicker/textured. Start with the thinner versions and progress to the thicker versions to gradually build jaw strength (the larger diameter ones work the jaw more). Start with the smooth ones and progress to the textured ones to slowly introduce texture or work on oral sensitivities. \n\nMade in the USA, medical grade, FDA compliant\nNo lead, phthalates, PVC, BPA, or latex\nMeasures approximately 40.6 mm in length and just under 12.7 mm in diameter\nDishwasher-safe\nTo be used with either theZ-VibeorZ-Grabberhandle (sold separately)\n\nCaution: this therapeutic tool should be used under adult supervision at all times.