Suction Cup with Hook 1-5/8" Diameter Best Seller Pack of 12 Pcs SMALL SUCTIONS CUP HOLDERS. This is a great set of 12 clear transparent plastic hooks that will hold suncatchers, small air plants or crafts in your windows. 1 5/8" DIAM. Nice size for any holiday lights or decor. STRONG. Clear heavy duty hooks for shower, bathroom, kitchen or laundry room. PLASTIC AND METAL. BANBERRY DESIGNS