Check the listing for details. 370 Pcs 1x2 Square Black Flat Blocks Bulk for Building Floor. Color: Light Gray, Condition: New, Made in CN. Listed at 19.35 USD. The product is designed with a smooth surface and can be adapted to different brands of blocks, usually used to beautify the walls and floors of the building, character scenes, vehicle models, and so on. In addition to use by professional modelers, it can also be used as a tool for creative craft lessons or family activities, or given as a gift for special days and holidays such as birthdays, Thanksgiving, Christmas, and more.Specifications:Color: BlackMaterial: PlasticSize: 16 x 8 x 3mm / 0.6 x 0.3 x 0.1 inch ( L * W * H )Style: 1x2 Square TilesPacking Listing: 370 x Building TilesAdvantageMade of quality plastic, good compatibility with most block brands, and professional equipment to ensure that it can be seamlessly connected with other brands of blocks.