Use ARK’s Tongue Tip for the Z-Vibe as a tongue exerciser forlateralization and elevation. Instruct the individual to place his/her tongue tip inside the hole, then gently guide the tongue up and down or left and right to establish the concept of elevation and lateralization, both of which are important oral motor skills for speech and feeding development. It can also be used as a tongue scraper for dental hygiene and oral awareness. Made in the USA , medical grade, FDA compliant No BPA, PVC, lead, phthalates,or latex Each tip measures approximately 8.9 x 3.15 x 0.64cm Dishwasher-safe Sold individually To be used with any Z-Vibe or Z-Grabber(sold separately) Colors may vary. Caution: this therapeutic tool should be used under adult supervision at all times.