This Gütermann universal sewing thread rPET, which is made from recycled bottles, can be used for all your sewing projects. The package contains 10 rolls x 100m of 100% recycled polyester. Pastel colors. Reusing bottles for the production of sewing thread protects the environment - this without compromising on Gütermann's good quality. The sewing thread thickness no. Is 100. Box size: 197 x 65 x 25 mm Recommendations: - Needles: universal, size 80 to 90 - Wash: Gentle wash (up to 60 degrees) - Dryer: Only at low heat Ironing: Iron at low heat