Instructions: 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. ; Special structure: It is high quality,mades of soft silicone, odourless and nontoxic. Wearable and durable for daily use. 1. Lip block, slow muscle contraction, develop good habits. 2. Upgraded version of the closed design to remove bad oral breathing habits 3. The tip of the tongue improves the force of the tip of the tongue on the teeth and improves the dislocation of the teeth. 4. Dental arch track, two-way mechanics, improved teeth, promoted neatly arranged teeth. Appropriate rigidity: Has enough thrust force and is comfortable to wear at the same time. Suitable for even metaphase and severe symptom. Multifunctional: Can improve bucktooth, large tooth gap, malocclusion and even your chew habits. Wearing it at night can also relief odontoprisis symptom. ; Package including: 1 Soft; orthodontic braces; + 1; Hard; orthodontic braces ; ; Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .ReturnIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.