This set of four self adhesive curtain hooks is entirely appropriate to hold your net Curtain rods safely. With its good stickiness, you don't need to drill or damage your window frame. These adhesive curtain hooks are made of good Quality plastic with self-stick back, They are durable and easy to install with no need of any tool. You just need to peel off the yellow cover paper from the back, then stick them on the window frame. Please do not place too heavy sheers on them. It is not recommended to use the sticky hooks on painted walls, for they may break the painted surface when removed them. Fit perfectly with our flat White sash rods (sold separately). Imported from France and made in PRC. 4 colors available: White, clear, gold or silver, with dimensions of 1 H x 5/8 x W x 1/2 D inches, Sold by set of four. Curtain rod adhesive hooks with strong adhesive are good for hanging curtains, valances, nets, tiers or sheers.