【Perforated Holes】：Evenly spaced holes across the shelf enable unobstructed heat and air flow, eliminating hot spots during firing. This results in uniform glazing, reduced warping, and professional-quality finishes for mugs, bowls, and sculptures—critical for pottery artists. 【High-Temperature Resistant Ceramic】Crafted from heat-stable ceramic material, the shelf withstands typical kiln temperatures without cracking or deforming. It holds up to frequent heating/cooling, making it a long-lasting tool for home studios or professional workshops. 【Space-Saving Ultra-Thin Profile】This ultra-thin kiln shelf frees up extra vertical space in your kiln, letting you load more ceramic pieces per firing. Its lightweight yet sturdy build ensures it won't add unnecessary bulk while supporting your pottery safely. 【Kiln Compatibility】Available in both round and square designs, it fits most standard kiln interiors. Whether your kiln is circular or rectangular, you can choose the shape that maximizes your firing space and suits your project sizes . 【Scratch-Free Surfaces to Protect Pottery】The shelf's flat, polished surfaces prevents scratches on delicate ceramic pieces during loading/unloading. It's easy to wipe clean between firings, reducing prep time and keeping your workflow efficient.