Bullseye 000337 Butterscotch (Opalescent) 10x10 Sheet 3 mm COE 90 Warm, golden-brown tone that radiates comfort—like caramelized sugar in glass form. Type: Opalescent COE: 90 (Bullseye-compatible) Thickness: 3 mm Dimensions: approx. 10x10 Reactivity: Contains sulfur; may react with copper, lead, or silver-bearing glasses. Use it for: Earthy palettes, natural builds, and warm accent work. Hand-cut in-house at Art Glass City. Each 10x10 sheet may have minor size variations and will include Bullseye’s natural rolled edge.