Do you have all your making essentials? This must-have pack of Felt Sheets in 10 different colored pretty pastel colors is the perfect complement to your creativity. Each sheet is 1.4mm thick and can be easily die-cut with Sizzix steel-rule dies. Sizzix Felt Sheets feature the highest level of quality and versatility that you would expect from a Sizzix Making Essential. They're the perfect complement to Sizzix Cardstock Sheets, 80PK (663007). Made from acrylic fibers.