Ideal for specimens, including those specimens that require a preservative. Formaldehyde(40%) resistance measured 20c(68f) to 60c(140f)-passed. Snap-on lid creates a secure seal and helps prevent leaking. Shatter-resistant translucent plastic allows for ease in viewing contents. Made with HDPE high density polyethylene.- Container with Lid, 16 oz, Tall, 100/cs 14-21 Days