EASY TO INSTALL: This cat hammock is equipped with brackets and suction cups, easy to install on the glass, reduce boredom by changing the pet's perspective WON'T TAKE UP TOO SPACE: Our nesting hammock provides a humanized view for your cat without take up floor space, allowing your pet to see nature HIGH QUALITY MATERIAL: our cat bed Window suction cup is made of high quality material, which is odorless, comfortable, reusable and durable What's in the set: 4 cross-hole suction cups + 4 round ring suction cups Suction cup diameter: about 8.5 cm Material: PVCColor: transparentPacking method: OPP bagGross weight: about 0.21kgPackage size: about 14x9x9cmNote: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received.