The Perfect Size for the Small Glass Studio Pre-cut black fusible glass squares are easy to store and even easier to work with Add fun decoration with Dichroic Glass, liquid stringer, fusing photo paper, pre-cut glass chips or a multitude of other fusible options for instant art. Incorporate squares into larger fused projects, or cut and nip them down into pieces the perfect size for jewelry. Squares measure approximately 4". Sold in packs of four. 90 COE.