Gelva P60 Achilles Black Silicon Carbide Waterproof Sandpaper. Silicon Carbide Material: Made with high-quality silicon carbide abrasive for superior cutting performance. Waterproof Design: Water-resistant construction suitable for wet sanding applications on metal and wood. Wide Grit Range: Available in grits from P60 to P3000 to meet various sanding needs. OEM and ODM Services: Factory offers full customization options including designs and samples. ISO Certified Quality: Manufacturing processes certified under ISO 9001 and 14001 standards. Fast Response Support: Engineers available for quick response within 24 hours for technical issues. Free Sample Offer: Complimentary samples are available for customers to test product quality. Competitive Factory Price: Direct sales from factory ensure high quality at competitive market prices.