DescriptionThis item is a set of 20pcs sample liquid adding slots for use, it is specially designed for transfering,pipetting or adding the liquid sample needed. With 50ml capacity, easy to use and operate, suitable for personal or professional use.Features-Color: As Shown -Material:Plastic -Size: Approx.13.50X5.50X4.00cm /5.31X2.16X1.57in - Made of premium materials for durable and long lasting use. - Smooth inner surface, the liquid is not easy to adhere to it. -The capacity of sample adding slot is accurate, more accurate to pipette. - A total set of 20pcs sample liquid adding slots, which can meet your various using needs. - Light weight and compact size, easy to carry and store.