Contents: 1 X head strap 1 X interchangeable visor Universal visors and safety eyewear, made with the highest quality materials & robust testing for medical requirements, with solutions for your whole dental team The Light Faceshield with Elastic Strap Non Swivel offers full face protection. When combined with a face mask, it offers excellent protection to mouth, nose and eyes. It is made from acetate a more expensive material & superior material to prevent fogging, it is also more resistant to chemical treatment / cleaning. The visor is Interchangeable & reusable. The visors can be cleaned and disinfected This Visor provides protection from small injuries & protection of UV, IR, solid particles. It is an optical Class 1, which means there is no distortion and you can use it indefinitely. (Lower class materials cannot be used more than an hour or 2)