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. Each combo pack 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. Bundle includes 12 packs.