[Size] Each sheet is in size 12”X12”X3/8”. It covers approximately 1 SQFT. To cover 20 SQFT, we recommend you purchase 10% extra (22 sheets) for tile installation waste. [Sample program] Sample swatches are available and highly recommended. Natural stone varies in color, shade, and pattern etc. Current actual sample swatch should be obtained and inspected before committing add-on jobs or large orders. Limit one sample swatch per product per household. [Finish] This product is in tumbled finish. It is slippery resistant. All the nature stone mosaic product should be sealed after grouting. [Application] This product can be used in any interior and/or exterior (residential and commercial) project. The common applications include kitchen backsplash, bathroom shower wall or floor, pool surroundings, fountains, barbecue island, etc. [Craftsmanship] The mosaic stone tile is made by high quality marble from worldwide. Each piece passed strict inspection to ensure consistence on color, size and pattern. MARBLE AND GLASS STONE MOSAIC INSTALLATION AND CUTTING GUIDE Application Recommended areas for usage include kitchen backsplashes, accent walls, shower and tub surrounds, bathroom floors, etc. Mosaic sheets can be used in various techniques to enhance your project: Full sheet for large areas Cutting the sheets into strips to create a border effect Cutting the sheet into different size (2”X3”, 3”X3”, or 4”X4”) to use as an insert Installation and care recommendations Spacing: to ensure a consistent grout joint, use a spacer the same size as the grout joint in the mosaic, usually 1/8”. Grout: after 24 hours, mix and apply grout following the manufacturer’s instructions. Use sanded or unsanded grout on all marble tiles. Clean all excess grout immediately with a damp sponge. After 12 hours, polish off any remaining grout haze with a dry cloth or towel. Cleaning: Use a soft, clean cloth with warm water or a non-abrasive acid-free household cleaner. Sealing: Let the grout stand for 3 days. Then, apply 2 layers of penetrating tile and grout sealer onto the entire surface of grout lines and tiles.