GO! Cutting Mat by AccuQuilt. This 5Wx10H inch mat works with both the Go! Fabric Cutter and the GO! Baby Fabric Cutter (both sold separately). Compatible with 3-1/2 inch Square Die; 3 inch (finished) Half Square Triangle Die; 3-1/2 inch x 6-1/2 inch Rectangle Die; 3-3/4 inch x 3-1/2 inch Parallelogram Die and Funky Flower Die (each sold separately). Specially formulated cutting mat that is part of the precision system that makes the AccuQuilt GO! Fabric Cutting System so efficient. Avoid extreme temperatures-intense heat or cold may cause mat damage or to become brittle. Keep out of direct sunlight. Imported.