Island Glass Ltd. only uses the highest quality products whether we are performing installations or stocking our shelves. We have mastics and Hi-Sheen glass/mirror cleaners as well as Bio Clean stain remover and surface protector from CRL . We also have a large selection of sealants from Dow Corning. A professional looking clean only comes from using the products professional use so say goodbye to streaky mirrors and water stained shower stalls and get stuck on our glass care products.