Prince of Scots Executive Dress Shirt Travel Kit Plastic The Perfect Travel Kit for the Business Executive. Each Travel Kits contains Two COCHIC packages, one in grey and one in white for a total of 4 Collar Extenders and one Set of Swiss Stays COCHIC for shirt is a jewel accessory that allows you to extend your shirt collar circumference or cuffs by adding a touch of comfort to your elegance. Swiss Stay PVC Collar Stay fit all collar sizes, are light weight, and come in set of 3. 2 Elegant Gift Boxed Cochic Sets and One set of Collar Stays in an Attractive Tin. Perfect size to pack away for travel.