【High Quality Plastic Ring】Curtain eyelet rings made of high quality plastic ring, the fabric eyelets are suitable for thin fabrics. Threaded buckle design, fixed curtain is not easy to loosen. The round curtain ring keeps the curtain in place and prevents it from falling and keep it in good condition. 【Smoother and Quieter】 Built-in nano-scale silencer ring to slide smoothly on the curtain rod, protect the rod with low noise. it reduces friction with the curtain rod and pulls more gently and quietly. It is suitable for children's rooms, bedrooms and study rooms. 【Black Color Curtain Rings】 Our curtain rings are black color for a stylish look and can be matched with any curtain fabric of any color. Pretty eyelets, It can be perfect for sheets, shower curtains, curtains, floor to ceiling curtains, closet doors, etc. while being sturdy. Even in a damp bathroom, it won't rust like metal. 【Flexible & Easy to Install】 Features snap fix grommets, no special tools are required. This ring also slides the eyelet ring and protect the curtain rod. The curtain ring has been carefully polished and finished, and the surface has no burr, so you don't have to worry about scratching your hands or damaging the curtain when you hang the curtain to make the curtain wire. 【Great Curtain Rod Accessories】 The number of one set is 20, the inner diameter is 40mm and the outer diameter is 70mm. The sliding curtain ring is very suitable for bathtub, clothes rail, bathroom, dressing room, curtain, bed curtain, mosquito net, etc., and also for simple dressing room in clothing