Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Color：Transparent Package Includes：size1: 1pcs phase I(soft)size2: 1pcs phase II(hard)size3: 2pcs teeth corrector (Phase I+Phase II) 100% Brand new and high quality Description: After use the phase I Corretor for 2-3 months，please keep tring with Phase II to enhance. It must be worn for 1-2 hours each day and overnight while slepping and always remember to follow these few simple steps: (1).Lips together-at all times except when speaking. (2).Breathe through the nose-to assist the development of the upper and lower jaws，and to achieve the correct bite. (3).No lip activity when swallowing - which allows the front teeth to develop correctly. Cleaning the corrector: Please clean it every time when remove it from your mouth with normal water. Please do not use hot water to clean it，it will damage the shape. How to Use: Step1：Hold the Trainer with Tongue Tag up. Step2：Place the Trainer into the mouth. Step3：Keep tongue positioned on the Tougue Tag. Step4：Gently bite down on the Trainer. Step5：Keep lips together and breathe through nose. Material: Phase I---Soft Medical Grade Silicone Phase II---Hard Medical Grade Silicone