Profile: Lab Supplies Outlet Inc. offers laboratory ware and equipment used by scientific & medical communities. We supply a selected and extensive line of products to the scientific industry, including clinical, research, diagnostics, industrial, chemical, pharmaceutical, and many more. Our histology supplies include embedding cassettes, embedding rings, staining systems, slide folders & boxes, microscope slides, and cover glass. Q-Swab™ are self-standing, but with round bottom. The cotton swab holds securely inside the screw cap, making it ideal for specimen collection, and protection from contamination. This cotton swab is made of polypropylene (cap for T307-10A made of polyethylene). The polypropylene tubes are translucent, making it easy to see through. The cap features a silicone washer fitted inside to ensure a positive seal at any temperature.