High Quality EPS Foam Cube [Dimensions] 5"x5"x5" Foam Cube Weights ~6 oz. Great for arts and crafts projects. Make your school project look expertly crafted with time and care with these high quality foam cubes. [Light Weight] Made of light EPS Foam Material, the block will even float in water. Easy to craft thru cutting, pinning, gluing or even sanding. This foam block is perfect for your arts and crafts. [More Options] We offer a great variety of foam forms in our Amazon Storefront from standing foam letters to foam cubes, stars, and discs. Check out our store today! We have a great selection of foam items under our Craft Supplies section.