Non-metal reusable bag closing clamp, namely a bag closing device which consists of two parts, a half moon shaped piece and a rod when they are placed together with the bag opening in between, the bag opening effectively is sealed by the clamping action of the 1/2 moon shaped piece closing on the rod; both the bag and clamp are made with polypropylene plastic and can withstand 125 degrees of heating by steam for sterilization and to avoid contamination; the clamps are used for bags that grow ...