The Wyndham Rewards RFID Hotel Key Card is a high-quality contactless access card designed for hotels, resorts, vacation clubs, and hospitality businesses. Material: PVC Printing: Customized with your design Card Size: Standard 85.5x54x0.84(±0.04 mm), CR80 Card Chip: Mifare Classic 1K ( Guest room key cards), Mifare Classic 4K( Master key cards) MOQ: 1000 Pcs