New Acrylic 4 Sided Locking Jewelry Display For Showcases & Countertops. This is a new 4 sided display case with three removable shelves. The 3 shelves can be taken out to make this a single display unit. With this case you can beautifully display your jewelry so your customers can easily pick their favorites. Keep the inner contents safe with the lock. There are two keys for the lock. Perfect for counter use in your store or at a show. It measures approximately 10″ x 10″ x 18 1/2 (254 x 254 x 469 mm).