Dimension--Inner size: 2.95 x 2.95 inch of the diameter and height. Compatible with Canon 28mm f/1.8, 24mm f/2.8, 35mm f/1.8D, Nikon 35mm f/1.8G, 50mm f/1.8D, G50mm f/1.4.Good Protection--The lining is 0.5 inch thick which makes the lens pouch anti-fall and anti-pressure and the mesh pocket inside lid for lens cap, body cap, etc. You will deserve this. It will suit for your expectation..Waterproof--The lens pouch is made of highly dense nylon material which is waterproof, which can protect your camera lens effectively when it is out of the rain outdoors..Dust-Proof--The raised lining design prevents dust from entering the zipper connection which offers a relatively closed environment for your lens and protect it..After Sales Sevice--The Camera lens bag support 30 day to return with no reason, 1 year warranty. Please don't hesitate to contact us if you have any other question.