DescriptionModel Number : H1S1Color : Transparent BlueTransparentSize : For AdultNET WT : 2pcsFeatures:1. The ideal dental arch track, moderate forces.2. Patients can take on and off by themselves.3. Short treatment cycle and never rebounded.4. Avoid the trouble and inconvenience causing by Arch wire training,especially for man who cannot achieve Arch wire training.5. No harm to the teeth and oral soft tissue.Specification:Material: SiliconeColor:As the picture showSize:As the picture show (1inch 2.54cm)Package Included:2PCS Dental Brace With BoxInstructions:1 General require user wear the orthodontic braces for 1-2 hours during the day, and 8 hours at night.2 At first week, your teeth may feel pain and soreness, this is normal. You need keep on using everyday.3 These orthodontic braces with good quality, but do not bite them, avoid deformation.4 Before and after use them, please clean with a toothbrush use cold or warm water,do not use hot water Then put them in clean box.This teeth retainer is made of medical grade plastic. It is safety for human body.Straighten the teeth not a short time thing, you need keep on using them. Do not suspect their effect, they need time to proof themself Do not leave bad comments when you only use them several days.Effect will show after 6 monthes. We are honest seller Price for two piece, Phase 1 Phase 2Phase 1 is soft,use this blue one,give the mouth a time to accomodate.Phase 2 is hard, use this white one, ater the accommodation with the blue one.Using Steps:Instructions for use:Wash the corrector in warm water before use. If necessary, using a toothbrush and toothpaste for brushing, just began to use will have a foreign body sensation, nausea, slobber more, tooth pain and other symptoms, to adapt slowly will ease. The use of once time may not have obvious effect, need users perserve.