Complete Square Accessory Kit for Cokin P Series. Includes: Adapter Ring Set (52mm, 58mm, 62mm, 67mm, 72mm, 77mm) + Filter Holder + Square Lens Hood + Graduated Color Square Filters (Red, Blue, Orange, Yellow, Grey (ND), Pink, Brown, Purple and Green) + JB Microfiber Cleaning Cloth Includes: 1 x Square Filter Holder / 1 x Modular Lens Hood / Adapter Ring Set (52mm, 58mm, 62mm, 67mm, 72mm, 77mm) for Cokin P Series / Gradual Square Filter Set (Red, Blue, Orange, Yellow, Grey, Pink, Brown, Purple and Green) for Cokin P Series / 1 x JB Microfiber cleaning cloth. Screw the ring adapter onto your lens. The Square Filter Material is Plastic. Slide the colour filter holder on the ring adapter until it snap in place. The hood simply attaches to your filter holder by pressing the 2 outer sections of the hood to the filter holder.