Product: Brand??100% New Material??Aluminum Product Dimensions??23.88″L x 36.25″W x 4.38″H (Unfolded Size?? Maxmun Rise height??4.38″ Weight Capacity??700LBS Type:threshold Ramp Features & Details: MODULAR CONNECTION DESIGN: Slide, connect and go! Our threshold ramps can be used individually or in combination, allowing you to expand the area or reduce the slope to suit your specific needs. Simply slide to connect multiple units. No tools required and lots of fun. .