Feature 1Muscle Training: Tongue tip exerciser helps training tongue muscle strength, which is suitable for tongue side, lifting and suppression. 2Package Included: There are 3 different tongue tip exercisers to improve your oral muscle, with different functions, which is convenient for you to use. 3Usage: Tongue tip exercise set can be used to exercise tongue flexibility, suitable for orthodontics, swallowing health awareness and other people who need tongue training. 4Comfortable Hold: Tongue tip exerciser handle adopted grooves design for easy to hold without slipping, which is comfortable to grip and use. 5PP Alloy: Oral muscle training tools made of PP and alloy materials, safe and eco friendly, stable and durable, which are easy to clean and ideal for children and adults.Item Type: Tongue Tip Exercise SetMaterial: PP, AlloyI Shaped Trainer Size: Approx. 146 x 30 x 11mm / 5.75 x 1.18 x 0.43inT Shaped Trainer Size: Approx. 126 x 31 x 11mm / 4.96 x 1.22 x 0.43inC Shaped Trainer Size: Approx. 146 x 30 x 20mm / 5.75 x 1.18 x 0.79inApplicable People: Suitablefororthodontics,swallowinghealthawarenessandotherpeopleneedtocarryouttonguetraining.I Shaped Trainer: Suitable for the posterior alveolar position of the tongue to perform lateral back and forth alternate trainingT Shaped Trainer: Suitable for the front teeth position of the tongue up and down or left and right alternating training.C Shaped Trainer: Suitable for alternating training of mouth and tongue.Cleaning Method: Wash with warm water, wipe to clean, orthodontic effervescent tablet cleaning. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x I Shaped Trainer1 x TShaped Trainer1 xC Shaped TrainerNotePlease allow small error due to manual measurement. Thanks for your understanding.This product is consumable. If damaged, please stop using and replace in time. Use water to clean after use, do not boil in boiling water, do not put in microwave oven or steam pot.