Show your valuable clients a secret message by giving them these paper decoder glasses! This unique promotion is made of eco-friendly, durable-mounted, 250GSM ivory cardboard plus 0.16mm thick PVC lens. It's an ideal giveaway for movie theaters, schools, tradeshow promotions, parties and more! Don't forget to add an imprint of your logo or company name on the frame to maximize your branding potential. It's sure to be a memorable promotion