Feature: 1. Improve Speech Clarity: Oral muscle training tools are designed to promote lip closure movement, tongue flexibility, and tongue muscle strength, resulting in improved speech clarity and articulation. 2. Suitable for Ages: Whether you are a child or an adult, this tongue exercise kit is suitable for anyone aged 8 years and above. It is an ideal tool for individuals looking to enhance their speech and communication skills. 3. Easy to Use and Portable: With its compact size and lightweight design, this tongue exercise training kit can be easily carried anywhere. Its simple yet effective exercises can be performed in the comfort of your own home or while on the go. 4. For Various Conditions: This set of trainers is catered towards individuals who face oral motor disorders, articulation disorders (motor, organic, functional), language disorders, resonance disorders, and dysphagia and other similar issues. 5. Safe and Durable Materials: Made from food grade plastic, this training kit ensures safe usage. It is sturdy and built to last, providing long lasting support for speech rehabilitation and articulation improvement. Specification: Item Type: Tongue Training Tools Material: Food grade Plastic Color: Green Length: Approx. 15.7cm / 6.18in Function: Promote lip closure movement, tongue flexibility, tongue muscle strength, and improve speech clarity Age Range: 8 years old and above. Package List: 4 x Tongue Muscle Trainer 1 x Storage Box Note: 1. Exclusive use. 2. Do not use microwave clean. 3. Soak and clean with dedicated cleaniner before and after use. Do not clean with boiling water, use warm water instead.