Lucite Caspari Guest Towel Napkin Holder. Approximate Size: 9 x 5.5x 2.5 inches. Keep your napkins in place with Caspari's Lucite Guest Towel Napkin Holder. Designed to coordinate with Caspari's Lucite collection, this lightweight yet durable napkin holder will hold Caspari Guest Towel Napkins. Caspari Acryclic Lucite Collection. Acryclic Lucite Products and Table Top Accessories for Entertaining.