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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 6 min read · Independent comparison
If you want to stop hot cookware and air fryers from scorching your countertop, choose TOHONFOO Heat Resistant Mats; if you need to upgrade the cooking surface inside a Breville BOV845BSS countertop oven, choose GWBSXM Oven Rack.
• TOHONFOO Heat Resistant Mats — biggest strength: a fiberglass core with silicone resin coating on both sides rated for heat up to 550°C/1022°F, so it shields wood or marble counters from air fryers, deep fryers, ovens and hot pots.
• TOHONFOO Heat Resistant Mats — biggest trade-off: it's a 18"L x 15"W flat mat, not a cooking accessory — it adds nothing to how your food turns out.
• GWBSXM Oven Rack — biggest strength: food-grade stainless steel with a mesh design that improves 360° heat circulation, so food cooks more evenly without flipping.
• GWBSXM Oven Rack — biggest trade-off: it's sized at 14" x 11.6" x 0.2" for the Breville BOV845BSS, so you really need to measure your appliance before ordering.
• Who TOHONFOO is for: anyone with a heat-sensitive countertop and hot small appliances sitting on it.
• Who GWBSXM is for: Breville BOV845BSS owners who want crisper results from the oven they already own.
This mat is a protective layer first and a convenience tool second. The build is a fiberglass sheet coated with silicone resin on both sides, which is why the heat resistance figure reaches 1022°F — well beyond anything a countertop air fryer, coffee maker, slow cooker or hot pot will push downward. The edges are finely stitched, and the material is described as not sticking, tearing, curling or cracking under heat. That last part matters in a kitchen: cheap-looking mats tend to warp the moment a hot pan touches them, and this one is engineered to hold its shape.
The second job it does is sliding. The silicone coating is smooth enough that you can nudge a heavy coffee machine, juicer or air fryer across the counter without lifting it, while the weight of the appliance presses down and creates friction that keeps it from skating around. If you've ever dragged a stand mixer across a counter and scratched the surface, you understand the appeal. It's also waterproof and oil-proof, cleans with a wet towel or dish soap, and folds flat for storage.
GWBSXM Oven Rack: Who It's For
This is a replacement rack and air fry basket built specifically around the Breville BOV845BSS countertop oven. It's square, silver, stainless steel, and sized at 14" x 11.6" x 0.2". The material is food grade stainless steel with no BPA, non-toxic and tasteless — the kind of spec that matters when food sits directly on the surface at high heat.
The interesting part is the mesh design. Instead of a solid tray, the perforated structure lets hot air move around the food from all directions, which is the whole reason air-fry-style cooking works. The result, as the design intends, is more even heating and crispier edges without burning — and without the constant flipping you'd do on a flat pan. You set the temperature and time on the oven, and the rack does the rest of the work.
It's also flexible in use: chicken, bacon, fish, wings, meatballs, vegetables, potatoes, cookies and cakes are all in scope, and it doubles as a grill basket for fruit or even tableware. It's dishwasher safe, heat-resisting, non-stick and durable — though the care guidance is explicit about avoiding rough abrasive cloths or metal scouring balls. It pairs with the oven's rapid air circulation and 12-liter capacity, and the 1600-watt output is the oven's figure, not the rack's.
Who should buy it: Breville BOV845BSS owners who want better browning and less flipping. Who should skip it: anyone who hasn't measured their appliance's interior first. The size is fixed, and the manufacturer explicitly asks buyers to check the inside diameter before ordering.
Side-by-Side: Which Should You Choose?
• Best for improving cooking results → GWBSXM Oven Rack. The mesh design is about airflow and even heat, not surface protection.
• Best for Breville BOV845BSS owners → GWBSXM Oven Rack. It's built to that exact model's dimensions.
• Best for renters or anyone with a nice counter → TOHONFOO Heat Resistant Mats. It prevents the heat-scorch damage that's expensive to undo.
• Best for easy cleanup → a tie, for different reasons. The mat wipes clean and folds away; the rack goes in the dishwasher.
• Best for moving heavy appliances → TOHONFOO Heat Resistant Mats. The smooth silicone coating lets you slide a coffee maker or air fryer instead of lifting it.
• Best for durability under direct food contact → GWBSXM Oven Rack. Food grade stainless steel is the right material for repeated high-heat cooking.
• Best if you want both jobs handled → buy both. They don't overlap at all.
In my opinion, most people shopping this comparison should start with the TOHONFOO Heat Resistant Mats. It solves a problem almost every air fryer and countertop oven owner has — heat bleeding into a countertop that was never designed for it — and it does so at a size and heat rating that covers a wide range of appliances. The GWBSXM Oven Rack is the smarter purchase only if you specifically own a Breville BOV845BSS and want your existing oven to cook more evenly. If that's you, it's a genuinely useful upgrade. If it isn't, the mat is the one I'd buy first.
FAQ
The core difference is air movement in a small chamber. Concentrated, fast-moving hot air crisps food faster and more evenly than still oven air, which is the same principle behind the mesh rack design here. That's why air fryer accessories focus on perforation and airflow rather than solid surfaces.
For small portions of foods you want crispy — wings, fries, vegetables — the air fryer's tighter space and rapid circulation get there with less oil and less waiting. For large batches, baking, or anything needing a wide flat surface, the oven wins. Neither is universally better; the right pick depends on your portion sizes and what you cook most.
No, and they don't compete. The TOHONFOO mat protects the surface your appliances sit on. The GWBSXM rack changes how food cooks inside a Breville BOV845BSS. If you have a heat-sensitive countertop and a countertop oven, both make sense. If you only have one problem, buy the one that solves it — and check the current price on Amazon before you commit.
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