These translucent blue Tenura Cupcaps are extremely useful to prevent spillages amongst children, elderly or people with unsteady movements and weakened grip.The cupcaps will stretch around the top of cups, glasses and beakers and allows a straw to enter for drinking. These cupcaps stop spills and leaks even if the cup or glass is knocked over. They can help to preserve the freshness of your drink when left for an appreciable length of time. The clear blue Tenura Cupcaps are dishwasher, freezer and microwave safe and very long lasting. This pack contains two different sizes of Tenura Cupcap to suit your needs. The smaller size has a 60mm diameter and the larger size has an 80mm diameter.