Solid Support - cat hammock can hold cats weight up to 30 lbs, it passed 33 lbs / 48 h static load test and 10 lbs drop test from 12 in. Compared with average cat window perch, our cat hammock can be firmly installed on the wall without worrying about falling.. Material - The cat shelves is made of natural walnut wood, walnut wood is very and its lifespan is up to 150-400 years, this type of wood is also resistant to water. The soft fabric is from odor and color fading, machine washable. It can respond to cats body shape, giving them comfortable hug..Save Space - The cat wall furniture has ideal size for most cats to sleep or have a nap, its wall mounted design fully use vertical space. In the limited home space, leaving room for cats to rest and play..Good for Health - The cat wall shelves caters to cats' habit of climbing, increasing exercise and reducing the chance of obesity, good for . Besides, it gives cats room to climb and avoid messing up home..Easy to Assemble - Only takes 4 steps can install the cat shelves and perches for wall, you can easily install it into the wall when you use it. Manual and all necessary hardware is included to help you assemble it.