Includes 8 individually wrapped pieces in a pack (4 white pieces and 4 black pieces). Includes instructions. Forms a strong bond to aluminum, steel, ceramics, glass, wood, and other materials including some plastics like perspex and ABS, and rubbers like silicone and butyl rubber. Takes 24 hours to cure completely. Cured sugru will last and last. 6-month shelf life. Not designed for prolonged contact with food. If necessary, sugru can be removed with a knife. Stable from -76°F to 356°F. Made in the U.K.