The Maxspect Coral Glue 20x5g tubes make fragging or creating aquascapes effortless and convenient. With quick dry time and mess-free operation, each single-use tube offers extra thick viscosity for secure bonding. It's 100% reef safe and can even be used underwater, ensuring ease of use for various projects in and around the aquarium. This package includes 20 cyanoacrylate gel glue single-use tubes along with a storage jar with a lid for added convenience and organization.