Heavy Duty Washer Fluid Reservoir Cap Color/Finish:Black; Blue Diameter:2.7 In. Height:0.98 In. Inside Diameter:1.73 In. Material:Plastic Package Contents:1 Washer Fluid Cap Reservoir Cap Type:Twist On Thickness:0.53 In. Universal Fit:No California Proposition 65:WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov