Application of Adhesive Hooks and Suction Hooks : You need to exhaust air between the suction hook and the side walls. If it slides off, you can use a little water to increase its adsorbability. Atmospheric pressure will fix it on the side wall. It need to be hung on smooth side walls. Fixed Pillow: It is fixed with Velcro but can also be easily removed according to your needs, which is not easy to lose. And the three sides length of the triangle shaped Bearded Dragon Hammock is 15*15*42.5cm. Please, notice the size whether it suits your pet or not. Washable & Reused: It is easy to clean with warm soap water and then hang it to dry for next using. Material: Made by HIGH QUALITY FABRIC and filled with a proper amount of sponge, warm and breathable and comfortable. Package Including: 2Pcs (1*Hammock+1*Pillow).