Lift-the-DOT Washer 90-PS-16510-19 Clear Plastic 100 pack offers a durable, rust-resistant fastening solution designed for cloth-to-cloth use in outdoor settings. This heavy-duty, three-sided locking washer features a clear plastic finish with a reinforcing back plate, making it ideal for securing boat covers, awnings, upholstery, and marine canvas. It is fire, UV, abrasion, and hydrostatic resistant, meeting government specification MS-27977, ensuring reliable performance against elements like stretching, tearing, and shrinking. Compatible with studs and screw studs, it works with various tensioning systems, adding practical durability to patio decor and outdoor fabrics. Made in the USA and sold in convenient 100-piece packs, it provides a practical option for upgrading outdoor living spaces.