Ordering Unit: 1000/BXColored Flat Head Seals Tamper resistant seals available blank or custom stamped. 1,000 seals per package. 8.5" long x 5/16" wide Colored finish available in Red, Blue, Green, Orange, Yellow & White. Specify color when you place your order. Custom Stamping : 7 digit max consecutive numbers and 15 character stamping available. Call 1-800-331-7290 to place custom orders.