Core Kitchen Essential Silicone Collapsible Trivet - Magenta Open: 8.5'' W x 8.5'' H, Closed: 4.25'' H x 1.5'' diameter Silicone, Dishwasher safe in top rack Silicone is great for nonstick cookware and bakeware and will not scratch the surface Resistant to odors and stains Heat Resistant up to 475 degrees F (246 Degrees C)