Collection panels are the designs in each collection gathered into 1m x 1.5m, which gives lots of scope for patchwork and small projects. Cotton Twill Poplin Fabric Cotton twill poplin fabric is 100% Cotton, a woven fabric which is composed of warp and weft. It’s skin friendly, soft, breathable and wicking for shirts, pants, suits, casual wear, etc. 150gms Care Instructions Water temperature similar to room temperature is the best temperature, not too high, and using neutral detergent, can not use acid or alkaline detergent. It is best to wash by hand, not machine wash. Do not rub the fabric vigorously. It can not be exposed to sunlight, so it is best to choose a cool place to dry. Certification STANDARD 100 by OEKO-TEX® is one of the world's best-known labels for textiles tested for harmful substances. It stands for customer confidence and high product safety.