Fangrui Product Details Diving Material Is A Kind Of Synthetic Rubber Foam. It Has The Characteristics Of Fine, Soft, Elastic, Shockproof, Heat-preserving, Elastic, Impermeable And Airtight. This Lens Bag Is Made Of High-grade Neoprene, Which Is More Convenient To Carry Than A Rigid Lens Barrel, And Saves Space In A Suitcase Or Other Bag A Hook Is Standard And A Belt Can Be Worn, Which Is Convenient For Hanging Other Bags Or Wearing A Belt, And It Is Convenient To Change The Lens. 4-in-1 Waterproof, Anti-shock, Anti-cold, Anti-dirt Lens Pouch. This Model Is A Universal Lens Bag, No Matter What Brand Of Lens, As Long As The Size Is The Same, It Can Be Installed. However, Large Accessories Such As Large-diameter Hoods And Lens Holders Cannot Be Installed. Belt Loop: For Convenient Carrying Hook: Allows You Attach The Pouch To Anywhere With A Ring (such As Camera Bags And Backpacks). 4 Different Sizes: S/m/l/xl Can Be Used For Almost All Camera Lens. Suitable For Most Of Standard For Canon, Nikon, Pentax, Sony, Minolta, Sigma, Oly