Imported Glass Block

​Material: Typically made from two separate halves of glass fused together while a partial vacuum is created inside, which improves their thermal insulation properties. ​Shape & Size: They are generally square or rectangular and come in various standardized sizes, with a common dimension being 19 \text{ cm} \times 19 \text{ cm} \times 8 \text{ cm} (approximately 7.5 \text{ inches} \times 7.5 \text{ inches} \times 3.1 \text{ inches}). ​Appearance: They can be transparent, translucent, or have patterned or colored surfaces. The patterns are usually on the inside face to refract light and obscure visibility for privacy, while still allowing natural light to pass through