The Easycover Lens Oak Neoprene Cover for the Sigma 150-600mm lens is constructed from durable, soft neoprene material that ensures optimal protection for your lens in various environments. The cover fits snugly around the lens, protecting it from dust, dirt, and scratches while also offering light cushioning against bumps. The Forest Camouflage design allows photographers to blend in with nature, making it perfect for wildlife photography or outdoor adventures. The cover is easy to install and remove and does not interfere with the lens's functionality, ensuring you can use the lens freely while keeping it safe.