1. Made of 100% pure PP, odorless. 2 Can be used with any knitted fabric with mesh. 3. Ropes or ropes with a maximum diameter of 10 mm are allowed to pass through. 4. Can be used repeatedly. Use pliers and a large flat-blade screwdriver to open the clip. Heavy Duty & High Quality Material – Our blackout cloth grommets are made of 100% virgin PP material with UV treatment. 🏪PalPay certified merchants in good standing. 🔒Google SSL security certificate guarantees your privacy.