Thetford 36699 Hook Staytion - Pack of 2 Organize your space fast & easy with Thetford's mounting hook Ideal for use in RVs, boats and homes Simple to use and the strong suction-sticks to any smooth, non-porous surface - holds up to 20 pounds (9.1 kg) Easy to install and take down Patented Red Line warning system: if the Staytion begins to lose suction, simply push the button and it's secure