A Pack of 40 mediumsized PVC suction cups with hooks. Actual suction cup diameter size 1.8". Each hook is rated for a maximum load of 2KG 4.4 lb. Reusable. Easy to install. please wipe the surface and fix it on the surface before use. and firmly stick it on the smooth and nonporous surface to ensure the sticking is tight and not easy to fall off. You can use the Awpeye hook to make a variety of decorations for your window. You can hang a variety of handicrafts. such as garlands. bows. Christmas decorations and string lights and other decorative accessories. hiding very nice. almost no hooks. Not applicable to rough. uneven or textured surfaces. Transparent PVC suction cup and metal hook. soft. no rust. no yellowing. no deterioration. strong and durable. strong adhesion. Suitable for any smooth flat floor bathroom kitchen office garage. etc. Such as glass. metal. tile. plastic. bakelite and so on.