Features: Red-filter: This filter helps to enhance contrast and bring out detail in landscapes and cityscapes. It also adds a warm color to photos. Yellow-filter: This filter is great for add warmth to skin tone and reducing hazes in outdoor scenes. It can also make blue-sky appear more bright Green-filter: This filter enhances green tones and is great for nature photography, also can help to reduce the appearance of red tones in skin. Blue-filter: This filter cools down warm color and can create moody-image, atmospheric-image, can also add depth to underwater photos. Easy Installation: Easy to install, special for mini 40 camera, a good partner for taking colorful pictures. Specifications: Material: PU+Non-woven Fabric Size: Approx. 3.5x3cm/1.37x1.18inch(single) Note: Please allow for slight color differences due to different display resolutions. Package includes: 4x Lens Filters