Approximately 18" Long x 12" Wide x 0.125" Tall * Self-Healing Cutting Mat for Art or Craft Projects; Green Face w/ Grid Lines; Labeled in Inches and Centimeters; Unique Resilient Material Resists Blade Damage * Provides Solid Cutting Surface, then Heals Immediately; Includes Grid Lines and 45° and 60° Angles; Great for Artists, Quilters, Drafters, Designers, and More!