Alvin - Prestige - Marker Case - 48 Slot - The Prestige Marker Case by Alvin is a convenient carry case for your design markers. Prestige Marker Cases are ideal for students and professionals on the go. Constructed of durable black nylon, they fold up to hold markers securely in place. Velcro closure. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.