Curtain hook strap: easy to sew, 100% polyester, machine washable, color: white. Aesthetics: use curtain rings (with loops) to achieve beautiful cottage pleated style curtains. Removable: curtain tape is great for making removable and blackout liners (pinched curtain headbands, mesh curtains, loose liners) Suitable for: versatile curtain lining tape can be used on most light, medium and heavy fabrics. Uses: works with plastic and metal curtain to create wavy, pinched or pleated curtains.