This NRS Healthcare Beakers, Beaker Holder & Lids Set N28771 comprises a white lightweight beaker holder with two large handles, two interchangeable clear beakers with gradation measurements & two push in lids with different sized spouts. Beaker holder has two large easy to hold handles. Gradations on beakers allow intake to be monitored. One spout has a 4mm spout hole and the other has an 8mm spout hole. Dishwasher safe.