Ideal for Jewelry and Tiny Treasures Each miniature assortment includes 8 pieces of 4" x 5" Bullseye 90 COE glass. Pack contains randomly assorted cathedral colors with a beautiful rainbow iridescent coating. The conveniently petite pieces are a great way to try something new without a large investment. 90 COE. Note: Pack includes strikers. Glass color shifts when fired. All glass is clearly marked with item numbers for easy reordering. There are no extra boxing charges for glass packs. Photo is one example. Actual glass may vary from photo.