- The Presentation Cart provides AV equipment space and storage in one compact unit. GREENGUARD Indoor Air Quality Certified® and GREENGUARD Children & Schools CertifiedSM. - Black powder-coated steel frame includes 3" casters. Optional 5" casters are available. - Top shelf and laptop shelf are 18"W x 14"D. Laptop shelf adjusts from 19" to 39 1/2"H. Bottom shelf measures 18"W x 18"D. Optional shelf (18"W x 14"D) mounts below the laptop shelf and is also height adjustable. - Locking three-shelf cabinet (20"H x 14"W x 15"D) is available. Optional electrical assemblies available. - 10 year guarantee*. - TAA compliant.