Specifications:- Overall Dimension of Each Ramp(LxWxH): 39 3/8"" x 10 1/4"" x 2 3/8"" (100 x 26 x 6 cm)- Channel Size(WxH): 2 3/4"" x 1 15/16"" (7 x 5 cm)- Lid Width: 3/16"" (5 mm)- Load Bearing Capacity: 22000 Lbs (10 t)- Material: Pvc, Rubber- Each Net Weight: 14.3 Lbs (6.5 kg). Package Contents:- 2x 1-Channel Wire Cover Ramps. Notice: - Like all rubber made products, sometimes an out gassing odor may be present since these units are brand new. This odor will dissipate in time (few days to a few weeks). We recommend you air them outdoors before placing them indoors.