Semfri Cat Window Hommock Perch Bed with endurance Heavy Duty Suction Cups (21.7 x 13.8 ) Semfri cat window perch provides a 360°sunbath for cats your cat can watching the birds outside and can often Jumping up and down on the hammock meets cat s climbing hobby Specifications: - Clour: Khaki - Size: 21.7in *13.8in *1in rope length 22in - Material: Oxford，plastic，wire Package includes: - 4 x Suction Cups - 1 x Steel wire - 2 x Round tube - 1 x Cloth cover Note: Suitable: Smooth and air-tight surfaces such as refrigerator/glass/flat tiles Tips for increase suction cups: 1. Put the suction cups into 3-5 minutes and dry suction cups to slightly damp 2. Wipe the window surface 3. Apply suction cups and press firmly to squeeze out the air