Rhinos Small RV Tote Tank Cover helps protect your tote tank from harmful UV rays and road grime. It is easy to install and remove while your tote tank is ladder mounted. This cover fits tote tanks up to 40-inches (L) x 20-inches (W) x 12 ½-inches (H) and is compatible with 15 and 21-gallon Rhino Tote Tanks (39000 & 39002). The cover is made of durable, UV-resistant rip-stop nylon. It has adjustable cinch straps and elastic edges for a secure fit. The bottom edge of the cover features a grommet to allow water drainage. This cover is gray with a reflective Rhino logo.