Ideal for general purpose laboratory work and useful as leak-proof secondary containers for shipping etiological specimens. Spork connects to cap for easy sample collection and retrieval. Freestanding octagonal bases lock into our special tray for one-hand operations. Polypropylene co-polymer (PPC) is nearly transparent and is appropriate for use with solvents, alcohols, chlorinated & aromatic hydrocarbons (except xylene) and ketones. Note: Polyethylene (PE) closure only recommended to 80 C.