Description: Net Content:50ml color:bule Features 1. High-quality pharmaceutical-grade methylene blue drops, safe and reliable. 2. Professional production process to ensure product purity and quality. 3. Widely used in clinical medical treatment and laboratory research, with remarkable results. 4. Suitable for the treatment of various diseases, such as infection, poisoning, etc. 5. The drop form is easy to use and convenient for patients to take at home at any time. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging Package Includes: 1*Methylene blue drops