MCT Boxes are moulded in polycarbonate and are therefore strong as well as autoclavable. One size can hold 64 MCTs of 1.5ml & the other can hold 100 MCTs of 0.5ml. These boxes are designed to w or k at temperatures ranging from – 190°C to + 121°C. The transparent cover provides a good view of the contents inside & is numbered for better inventory control.