Feature: 1. HIGH QUALITY MATERIAL: The tongue tip trainer is made of PP+ alloy material, which is safe, non toxic, durable and widely used. 2. TRAINING TONGUE MUSCLE STRENGTH: Improve tongue muscle strength and tongue coordination, improve tongue flexibility and stability. 3. PROFESSIONAL: The Tongue Tip Trainer is a professional tool for trainers, allowing trainers to master the tongue autonomously. 4. 2 WAYS OF USE: There are two ways of use: up and down exercise training and left and right alternating exercise training, you can choose according to your own situation. 5. APPLICATION: It is suitable for slurred speech, stiff tongue, incomplete pronunciation, unclear pronunciation for children, unclear speech for the elderly, etc. Specification: Item Type: Tongue Exercise Trainer Material: PP+Alloy Scope of Application: It is Suitable for Slurred Speech, Stiff Tongue and Incomplete Pronunciation. It Can Be Used to Exercise the Flexibility of the Tip of the Tongue and Solve the Problems of Unclear Pronunciation of Children and Unclear Speech of the Elderly.. Package List: 1 x Tongue Exercise Trainer Note: 1. It is not recommended to sterilize in boiling water or microwave, nor in the freezer. It is recommended to wash with clean water before and after use.2. It must be reserved for special persons, clean it with water or disinfect it with alcohol before use, and keep it clean and hygienic.