From the product description, check product page for current description, price and availability:

• KEEP YOUR PRECIOUS COUNTERTOPS DRY AND FREE FROM DISGUSTING SLIME AND MILDEW | With ample surface area for frequently used sink and counter items
• BEST IN CLASS & BUILT TO LAST | Up to 3X more high quality silicone than similar products. See for yourself by comparing the weight and thickness of our trays to theirs!
• PROTECT SURFACES FROM HEAT DAMAGE | Heat resistant to 450F/232C.
• EASY TO CLEAN | Simply handwash with a warm soapy sponge/scrubber OR pop into the dishwasher!
• USE THROUGHOUT YOUR HOME | In the kitchen, bathroom or any room, choose the size that works best for you in the color that complements or accents your decor.

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

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