5772 sizes of glass blocks products are offered for sale by suppliers on Alibaba.com, of which decorative glass accounts for 19%, other glass accounts for 3%, and clear glass accounts for 1%.
A wide variety of sizes of glass blocks options are available to you, such as hotel, mall and hospital.You can also choose from decorations, industrial and curtain wall sizes of glass blocks,as well as from total solution for projects, graphic design, and cross categories consolidation sizes of glass blocks, and whether sizes of glass blocks is return and replacement, onsite installation, or onsite training.