[Material] :This lens hood is constructed of ABS material. [Function] :lens hood can prevent lens flare caused by extraneous light and protects against unexpected bumps or shock,no vignetting. [Wide compatibility] :This Replacement Canon Lens Hood ET-65B is suitable for Canon EF 70-300mm f/4-5.6 IS USM, Canon EF 70-300mm f/4.5-5.6 DO IS USM lenses. [Note] : Please check the type of your original lens hood before ordering to ensure correct type. [Package and Warranty] :Includes ET-65B lens hood x 1.We offer one year warranty and life-time after-service,if you meet any problem,please feel free to contact us.