Antimicrobial properties built-in to protect portions of the product. Stabilizer base with high impact, non-marking plastic bumper to add stability and help keep cart from tipping. Pre-threaded holes on sides & back to easily mount accessories. 5" premium easy roll casters (2 brake, 1 swivel and 1 convertible tracking caster). Central locking system with two keys. Ball bearing slides with quick release. Dual push handles. ABS molded plastic top. Latex Free. Exterior is Light Gray. Drawer fronts available in Gray, Dark Blue and Red.