Offer limited to select New York Times digital subscribers with valid promotional code. Cardboard viewers available for a limited time only, while supplies last. Limit one (1) viewer per code. Void where prohibited. Please allow 3-5 days for shipment. The New York Times is not responsible for lost, damaged or misdirect shipments, or shipments returned as undeliverable, and reserves the right to cancel this offer or any portion thereof at any time. Offer expires on September 15, 2016.