These versatile lids are made of reusable silicone and offer secure closure of beakers and bottles in your laboratory. Each color-coded lid is able to stretch to fit many sizes of plastic/glass beakers, flasks, bottles, and cylinders. Incorporate these silicone lids into your facility's color-coding program to enhance organization and minimize the risk of cross-contamination. The lid has a diameter of 43 mm to 61 mm.
