Canon Lens Cap E-43 43mm It's 43mm. There are some light scratches on the surface, but it fits snugly and securely on the lens. ＜Notes＞ ・We will pack the item carefully and deliver it with care to ensure the product is maintained. ・We strive to provide sincere service so you can feel safe and satisfied. ・Once you purchase, we will give shipping top priority and ship the item quickly and carefully.