PRODUCT DETAILS - Material: Plastic; Color: Blue; Cap Inner Diameter: 52.5mm Suit for 51-53mm Fluid Bottle; Outer Diameter: 58mm; Vent Hole Diameter: 6.2mm; Weight: about 8g. HIGH QUALITY - The windshield washer fluid container cap is made of high-quality automotive grade plastic, which more durable and anti-corrosion, can be used for a long time and easy to clean. SUGGESTION FITMENT FOR - The cap is universal fit for the same inner diameter washer fluid reservoir cap. We suggest to use for Ford Focus, Citroen C5 C6, Peugeot 407 3008 5008. Please make sure your car model before ordering. EASY TO INSTALL - The cover is very easy to install, you just need to pull out the old cover, and push the new cap's plastic ring on the bottleneck, then press the cover on the mouth. Done. IMPORTANT NOTE - Please confirm that the diameter of your car washer bottle cap is similar with this product before purchase (The error of the diameter is 1-3mm).