Features: -The finger sucking stop is a professional calibrator. -This product is usually for 1-5 Years old Baby , Age slightly larger baby, if the thumb diameter of not more than 20mm can also be applied (but also need to combine the width of the wrist to be selected) -In a short time, thumb sucking bad habits turns. -The children can be to wearing of silicon. -Non toxic, non harmful device made by silicone. - design - the child's thumb, form and fit your child's oral structure of scientific design. Specification: Name :thumb sucking Stop Model:562831 Material: silicon :Translucent / Purple / Yellow Tightening belt Sizes:20 x 1.3cm Body Sizes:14.5 x 1.5cm Finger diameter:20mm Instructions: 1. Illustration 1 and 2 are the inserts inserted into the tightening belt 2. Adjust the size of the child's wrist size 3. The opposite is also inserted 4. Connect to each 5. Receipts 6. The remaining tightening tape is inserted again 7. Complete 8. After trial 9. Let the child try Note: 1.Due to the different display and different light, the picture may not reflect the actual of the item. Thanks for your understanding. 2.Please allow little differs due to manual measurement. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a