Simple curtain rings for all curtain rods with 16 mm diameter, including sliding insert and folding hanging hooks Easy to install: easy to hang the curtain in the folding hooks, easy insertion of the rings into the curtain rod Robust metal curtain rings with sturdy folding hooks for hanging various curtains and curtains without loop Easy to put on and close: easy and quiet movement of the curtain thanks to sliding inserts in the rings, no damage to the curtain rod International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.