The 4 Pack Mapei Mapesil T Plus Silicone Sealant #5101 Rain is a high-quality adhesive product manufactured by Mapei in the United States. This silicone sealant is designed to provide a strong and durable bond, making it ideal for various industrial and commercial applications. With a unit quantity of 10.1 fl oz per container, this product is perfect for sealing and protecting against rainwater and other elements. The Mapei brand ensures reliability and performance, making this sealant a trusted choice for a wide range of projects.