These PP and metal tongue trainers are durable and suitable for all ages. They stretch the lingual frenulum and enhance bolus control. The I-shaped trainer is designed for the posterior alveolar position, the C-shaped trainer for mouth and tongue exercises, and the T-shaped trainer for front teeth positioning. They are ideal for lifting and suppressing the tongue, making them perfect for improving speech, swallowing, and bolus control. **Features:** 1. **Function:** These trainers are designed for tongue-side lifting and suppression, suitable for all ages, including children and adults. They are used to stretch the lingual frenulum and improve bolus control. 2. **Material:** Made from PP and metal, these trainers are durable and designed for long-term use. 3. **I-Shape Trainer:** Ideal for training the tongue in a posterior alveolar position, allowing for lateral back-and-forth movement. 4. **C-Shape Trainer:** Designed for alternating mouth and tongue exercises. 5. **T-Shape Trainer:** Perfect for training the tongue in a front teeth position, enabling up-and-down or left-to-right alternating movements. **Specification:** - **Material:** PP, Metals - **Color:** Blue - **Package Size:** 15 x 7 x 1 cm - **Weight:** 27 g - **Package Include:** 3 Tongue Tip Trainers Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store