Engineered for precision and reliability, this Calcipxx polyester serger thread is the go-to choice for both professional garment finishing and home sewing projects. With excellent heat resistance, colorfastness, and uniform tension, it ensures clean, strong stitches on cotton, denim, and synthetic fabrics—whether you're using an overlock machine or standard industrial equipment. The tightly wound, fray-free construction reduces downtime and boosts productivity. Available in 8 rich colors—Black, White, Pink, Orange, Yellow, Blue, Green, and Purple—it supports creative flexibility for designers, manufacturers, and crafters. Each package includes a single 95g spool measuring 6 x 4.5 x 12 cm for convenient storage and easy handling.