● Silicone + TR90 frame● polarized● UV400 PROTECTION – IVSTA Lenses can block 99% or 100% of UVB and UVA rays. UV400 sunglasses is essential to protecting your eyes against long term UV damage and keeping your children's eyes healthy when you go out.● POLARIZED LENS — Sunglasses are made of the high quality polaroid lenses, which can provide your children with a clear field of vision and help eliminate reflected and scattered glares.● ADJUSTABLE FRAME — Made of the high quality Soft Flexible Silicone materials, these sunglasses were constructed using special design techniques in order to ensure durable enough for long time using. It comes with superlight TR90 and flexible silicon which allows for maximum comfort and durability. You can adjust the strap according to the size of the child's head● APPLICABLE — Both boys and girls can find their suitable sunglasses in our store.It's the perfect choice for outdoor sports and activities such as cycling, driving, shopping, travelling, and is also a great gifts for boys and grils.● 100% RISK FREE PURCHASE —If you're not completely happy with your purchase within the first 30 days, without hesitation to solve the problem until satisfaction. You have no risk to try and we will provide you the best service!