Item Type: Tongue Tip Exerciser Material: Food grade polypropylene, 304 stainless steel Size: Approx. 15.5 x 5.3cm / 6.1 x 2.1in Package List 1 x Tongue Tip Exerciser 1. This product is a consumable item. If it is damaged, please stop using it and replace it in time. Clean with clean water after use, do not cook in boiling water, do not clean in microwave or steam cooker.2. Please allow slight error due to manual measurement. Thanks for your understanding. 1Wide Range Of Applications: Tongue tip exerciser is suitable for language disorders such as slurred speech, stiff tongue, and incomplete pronunciation. 2Tongue Training: Targeted training of tongue muscle strength, tongue flexibility and stability. Improves tongue muscle strength and tongue coordination. 3Multiple Training Method: There are up and down exercise training, left and right alternating exercise training and other training methods, you can choose according to your own situation. 4Solve Pronunciation Problems: Tongue training tool is mainly used to solve the language development problems of children and the elderly, such as unclear pronunciation in children and unclear speech in the elderly. 5PP And Stainless Steel: Oral muscle training tool is made of PP and stainless steel material, safe and eco friendly, firm and sturdy, durable for use.