I'm selling these because I bought them for a herbarium but have some left over. Please understand that they have been stored at home. The bottles are slightly cloudy, but this can be resolved by adding oil or washing them. [Stacking B-type Round Bottles - 20 pieces] Size: Height: 97.5mm Diameter: 75mm Outer diameter of the mouth: 28.3mm Inner diameter of the mouth: approx. 19mm Weight: 285g Bottle shape: Narrow mouth Capacity: NET 180ml Herbarium Herbarium bottles Bottles Stacking