Lowepro 2S Lens Case (Black) Perfect for most 70-300mm telephoto lenses The OverLap zipper guards protects against scratches, dust and dirt. The Reinforced SlipLock attachment tab attaches to any SlipLock compatible Lowepro bag or belt loop. Built-in Lens Cap pocket provides easy storage of your lens cap and prevents loss when the lens is in use. Combination of shock-absorbing open and closed cell foam that are strategically placed to protect your lens against impact.