Steve Harris Mens DNA Double Helix Scientist Necktie - Blue - One Size Neck Tie Tie has a pattern of a DNA double helix on a blue background Standard size tie for men: 56 inches long and 4 inches wide at its base. 100% polyester microfiber You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!