The Eagle Creek Silk Undercover Bra Stash: A discrete under-clothing solution designed to keep necessities safe and secure. Simply snap it over your bra strap to provide close-to-body travel security. Did we mention it s silky smooth? It s made from a breathable, washable natural silk with a moisture-resistant lining. We think you should try it. Absolute love.Features: Breathable and washable natural silk Small pocket for stashing money and credit cards Snap closure allows attachment onto center or side of bra for close-to-body security Specs: Dimensions: 3" x 4" Weight: 0.5 oz Fabric: Silk