1 X Liquid Vegetable Rennet - 2 oz. Double Strength rennet that contains no animals products. Non-GMO, Gluten FREE, No caramel coloring. 1/4 tsp will set 2 gallons of milk in 45 minutes. One ounce will set up to 48 gallons of milk We do not offer this via Fullfilled by Amazon to ensure the rennet is fresh and kept refrigerated until shipped.