Adams super-strong suction cups are produced from high-quality material that won't yellow, deteriorate, or lose adhesion over time. Light diffusing rings prevent focused light from damaging surfaces. Hold securely in all types of weather. Includes 2 Large, 4 Medium, and 4 Small.- Large cups hang wreaths and larger decorations - up to 7 lbs.- Medium cups hang wreaths, decorations, and ornaments- up to 3 lbs.