This is a set of 50 pieces 15ml stool cups. Made of premium material, it is safe for usage. With spiral cover, this specimen container is leak-proof and for pathology, histology, cytology reagent pre-filling and sample preparation. Some measurements can be used to not only use urine samples, it can also be used for other samples. Features - Color: Green. - Material: PS - Size: 7.00X3.70X3.70cm/2.75X1.45X1.45 inch. - Capacity: 15ml. - The screw container with spoon is for the collection and transport of fecal specimens. - These stool containers come completely assembled and are ready to use. - This item is manufactured with premium material for durable and long-lasting use. - It has a simple design, but very practical in use, giving you a good using experience. - Adopted from material, it is durable and long lasting use.