celloexpress SELF INDICATING - YELLOW Silica Gel Pouches - Pack of 200-1g Silica Gel Sachets from celloexpress
- The silica gel is contained in a clear plastic bag. A It has many microscopic holes to let the moisture slowly through. A The silica gel then will indicate that moisture is present.A The yellow beads will change to an green colour
- Self-Indicating Yellow Silica Gels are safe with anythingA but is better withA food as you can see exactly how freshA it is and will change colour when used.