The VPS-500A is a 5 piece parts kit that allows you to assemble your own goggles using different nosepieces and strap adjusters. Coming with 3 different sized nosepieces, side clips and a silicone strap the VPS-500A is a kit designed for the VC-510A corrective lenses (2 lenses required) or as replacement parts kit for the V-500 Platina goggle. The kit can be easily adjusted with interchangeable side clips that are quick and easily released.