Made of rust resistant 16 gauge 304 type Stainless steel which provides great sealing, solid durability, and easy maintenance Stainless steel removable overhead arm with loops that can be adjust to accommodate many configurations Back-splash and side-splashes can be removed for greater versatility and feature waterproof seals when it is assembled for normal use Adjustable floor grates, can be adjusted to higher or lower levels to accommodate both Large and Small dogs. Door is easy to open and securely locks closed, also features watertight seals