The product is a set of 11 Kimax 15ml glass serum bottles with pyrex lids. These Erlenmeyer flasks have a volume of 15ml each and are modelled as KIMAX 15105-L. Perfect for laboratory use, these bottles are ideal for storing and transporting liquid samples in a healthcare or research setting. The Kimax brand ensures high-quality and durable glassware for precise measurements and experiments.