Coates Ultra Dee Polyester Outdoor thread is available in 10 popular colors to coordinate with any outdoor fabric sewing project. Made from 100% polyester, Coates Ultra Dee Polyester outdoor thread can be used when sewing patio furniture cushions, outdoor drapes, marine fabrics, outdoor canvas, awning fabrics and more. Several of the outdoor thread colors coordinate with Sunbrella Outdoor Fabrics. This outdoor thread is made from a high strength continuous filament polyester and is treated to prevent unraveling. Heat set to minimize shrinkage and resistant to sun exposure. Each 4 oz spool of outdoor sewing thread from Coates, contains 1035 yards of thread. Thread size is 92. Outdoor Fabric Store suggests using outdoor thread for patio furniture cushions, outdoor pillows, outdoor drapes, patio seat pads, shade tarps or any outdoor fabric project.