12 x 15 in (30 x 38 cm). Durable tempered glass. Odor and stain resistant. Non-skid feet. Dishwasher safe. Quick Tip: A major advantage for glass over wood or plastic is its non-porous surface, which makes the material ideal for cutting boards. Glass is also durable and will not wear over time like wooden or plastic cutting boards. www.goodcook.com. Made in China.