Interlock Knit, Oeko-Tex Standard, Doodle Giraffe & ZebrasInterlock is thicker than jersey, and both sides of the fabric are smooth, like the right side of a jersey fabric. Interlock is more stable than jersey, which means it doesn't stretch out of shape as easily as jersey and it doesn't curl at the edges. This interlock fabric is ideal for making kids' pyjamas. Weight: 300 g ml, 200 g m2 (light weight) Width: 59" (150 cm) width Interlock Knit 100% cotton Wash at max 30 C Tumble dry on low Do not use rinse