Purdue Boilermakers Secretary Wallet. This genuine brown leather secretarial style wallet is handmade from top grain cowhide. Made to last the Boilermakers wallet features 6 card slots, 1 slip pocket for checkbook, 2 bill compartments and ID window. The wallet measures 3.5 x 7 inches when it is closed and 7 x 7 inches when it is open. With the nylon stitching and inner lining, your favorite Purdue fan will surely love his new wallet! Go Boilermakers!! Officially licensed Purdue Boilermakers fan gear.