JJGF610 ANSI Outside Fitting Flange Protectors Just provide the outside diameter of the flange face to fit this product.The face and sides are well protected from damage during storage, transportation and laying. Sizes:1/2鈥?-48鈥?/p> Material:LDPE,Low density polyethylene Standard Color: Blue Custom-made color:Yellow,orange, black,red, green or other colors as per requirementChina Flange Protectors website:http://www.cnjujing.com/flange-protectors/