【Packing Includes】1*Variable nd2-400 lens filter + 1* TPU filter cap 【Provides 1-9 Stops Light Reduction】ND filters are good for rivers, waterfalls, and other bodies of water, especially under bright light. The longer exposure times allow for smoother water movements, shallower depth of field, and blurred motion. 【Imported AGC Glass & Ultra Slim Frame】Made by Imported AGC Glass with double-side waterproof multi-layer blue coating, durable enough. Only a 7.4mm frame utmost to avoid vignetting and the super-lightweight CNC frame helps install and remove the filter easily 【TPU Filter Cap】The Eco-friendly TPU material filter cap perfectly fits the variable ND filter well. 【Note】This filter is compatible with all 72mm lenses. Please verify your camera's lens thread size before ordering. This number is always beside a "ø" (diameter) symbol. K&F Concept 72mm ND2-400 + TPU Filter Cap - K Series