They create a physical, heat-resistant barrier between hot cookware and the granite. Silicone trivets are explicitly rated for high temperatures and provide a flexible, non-slip pad that prevents direct contact and distributes heat. Woven rope (100% polyester) trivets add thickness and insulation while also protecting the surface from scratches and marks with their textured weave.

Most of the trivets shown are about 7 inches across, with examples listed at 6.9 inches and 7.08 inches.

Ratings vary by model. Some silicone trivets list a top rating around 440°F, while other descriptions state a broader range (about −104°F up to 446°F). Check the specific product listing before using with very high-temperature cookware.

Several silicone trivets list a thickness of about 0.24 inches. Reported weights in the listings include 0.35 pounds, 0.68 pounds, and one listing showing 158 grams.

Many silicone trivets roll up for compact storage, include a hole for hanging on a hook, or can be stored in a drawer. Some designs explicitly list a hanging hole for easy display.