Features1. Function: Suitable for tongue side, lifting and suppression. Perfect for all ages, appropriate for both children and adults. Used to stretch the lingual frenulum and improve bolus control.2. Material: Oral muscle training uses PP and hardware materials, which are durable and can be used for a long time.3. I-Shape Trainer: Suitable for the posterior alveolar position of the tongue to perform lateral back and forth alternate training4. C-Shape Trainer: Suitable for alternately training the mouth and tongue.5. T-Shape Trainer: Suitable for the front teeth position of the tongue up and down or left and right alternating training.SpecificationMaterial: PP, MetalsColor: BluePackage Size: 15 7 1 cmWeight: 27 gPackage Include:3 Tongue Tip Trainer