Capacity 2L Neck diameter 35mm Height 405mm Outer diameter 224mm canisters number 3pcs canister outer diameter 25mm Canister total height 320mm canister height 120mm Empty weight 3.4kg Lockable lid and protection cover Included. (optional) Static holding time 20-25 days straw capacity / single layer 0.25ml 140pcs 0.5ml 60pcs straw capacity / double layer 0.25ml 280pcs 0.5ml 120pcs ISO/CE Approved Package carton 27*27*48cm gross weight 4.3kg Main features of the product: Made of high-strength aluminum alloy. High-vacuum multi-layer insulation design, light weight, small amount of liquid nitrogen static daily steaming loss. Optional lock cover to protect the safety of samples stored in the container. Equipped with a protective cover to prevent the collision of the product during use. Provide vacuum quality assurance of not less than five years.