**Product Specifications:**
**Brand:** YIDUN
**Product Name:** SUNGLASSES
**Description:** Lightweight and flexible children's sunglasses with vibrant colors for clear vision, providing a healthy and happy childhood for kids.
**Features:**
- Polarized lenses for children under 12 years old to protect their young crystalline lenses from harmful UV rays.
- UV400 protection to block harmful light rays.
- Durable quality to withstand rough handling.
- Polarized lenses for clear vision and true color restoration, reducing glare and UV exposure.
**Model Number:** 1031-2
**Frame Material:** PC + Silicone Legs
**Lens Material:** AC Polarized Lens
**Lens Size:** 38mm x 51mm x 16mm
**Temple Length:** 128mm
**Bridge Width:** 127mm
**Color Options:** Black frame with red legs, green frame with pink legs, purple frame with light pink legs, yellow frame with green legs, blue frame with yellow legs, magenta frame with pink legs.
**Product Details:**
- Sturdy hinges for smooth folding and unfolding, enhancing durability and texture.
- Comfortable nose pads that conform to the nose without deformation or red marks.
- Curved temple arms for a stylish fit that is comfortable for extended wear.
**Certificates:**
- Utility Model Patent Certificate No. 4801140 and No. 4728124 for optical blue light and radiation protection glasses and UV-coated lenses.
- Inventor: Meirong Sheng
- Patent Numbers: ZL.201520556719.3 and ZL201520556646.8
- Patent Application Date: July 29, 2015
- Patent Owner: Nanchang YIDUN Technology Co., Ltd.
- Patent Announcement Date: December 9, 2015
- Patent Authorization Date: January 20, 2016
**Patent Information:**
- The patent rights are valid for 10 years from the application date.
- Annual fees must be paid by July 29th each year to maintain the patent.
- Failure to pay the annual fee will result in the termination of patent rights.
**Director:** Meirong Sheng
(Note: The above information is a summary of the product specifications and details provided.)