This is the "Elizabeth Collar for Dogs, Soft Mesh, Lightweight, Breathable, Small Dogs, Prevents Licking, M, 30cm-35cm, Adjustable." It is used to protect wounds and supports smooth recovery without stress. It has a cushion part that gently wraps around the face and can be finely adjusted with Velcro. The mesh material is breathable, making it comfortable for your dog. Color: Blue outside, Green inside Size: M Neck circumference: approximately 30cm-35cm For small to medium-sized dogs *For details, please check the reference images. Please note that there may be slight errors.