The image is a poster with the text "MAST® Allergy System" written in Chinese characters at the top. Below the text, there are nine circular images arranged in a grid-like pattern. Each image is accompanied by a brief description of the product.

The first image on the top left shows a red flower with a white background. The second image is of a cockroach, the third image is an insect, and the fourth image is from a cat. The fifth image is for a dog dander, the sixth image shows a cat with black and white stripes, the seventh image shows two dogs dander and the eighth image shows three dogs dandelions. The ninth image is in the center of the grid, with a green background and a white border. The bottom left image has a yellow circle with a black outline, representing the product's ingredients. The middle image has an illustration of a plant with green leaves, the bottom right image has illustrations of a tree with brown leaves, and all the images are in black and green colors.