Suction cup window clips. Ideal for professional or do-it-yourself decorators. Makes window decorating fast and easy. Heavy-duty, premium grade suction cups. Easy to insert bulbs, holds lights precisely and securely. 50\% polypropylene, 50\% PVC (polyvinyl chloride). 1.125 In. W. x 1.125 In. H. x 1.875 In. D.