Eagle Creek Travel Gear Silk Undercover Neck Wallet (Black) Breathable and washable natural silk Two zippered pockets for organization of Passport and currency Sweat-resistant coated satin lining Back slip pocket Soft adjustable neck strap with strap keeper Step # 3 in the Eagle Creek Travel System; Choose the right travel accessories, they make a big difference. Security and identification items, Comfort items, Electrical converters, and Travel essentials. Breathable and washable natural silk Two zippered pockets for organization of Passport and currency Sweat-resistant coated satin lining Back slip pocket