Natural raw material is resistant to impacts and does not break easily thanks to its flexible structure. it is antibacterial and antiallergic. grilamid natural raw material is sterile and does not form bacteria. it does not contain bisphenol a (bpa). it does not harm your health.: “the human eye is sensitive to a band of light roughly between 400 and 760 nanometers from the sun. 400 nanometers from the sun – which is called ultraviolet (uv) – and the rays below it have negative effects on the cell and cell dna because they contain high energy. the smaller the wavelength of uv rays, the greater their harmful effects. the most useful wavelength glass lens, uv 400, does not pass harmful rays in the atmosphere. staoom sunglasses prefer uv 400 glass lenses. staoom prefers sterile raw material content, brand-approved eu countries and eu countries, global materials, hygiene-approved, global import and export certified universal products. staoom cares about customer and customer satisfaction and creates an operation with this sensitivity, contrary to the stereotypes within the interests of the brand and company. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.