Bullseye 001009 Reactive Ice Clear (Transparent Reactive) 10x10 Sheet 3 mm COE 90 Crystal-clear glass designed for reactive magic—develops warm outlines when fused with copper-bearing colors. Type: Transparent Reactive COE: 90 (Bullseye-compatible) Thickness: 3 mm Dimensions: approx. 10x10 Reactivity: Reacts with copper-bearing glasses to produce coppery or silvery halos. Use it for: Reactive experiments, layered effects, and unique color transitions. Hand-cut by Art Glass City. Each 10x10 sheet may have minor size variations and will include Bullseye’s natural rolled edge.