- Features a soft and water-resistant exterior for durability and protection. Discontinued original navy blue colorway! - Versatile elastic strap allows for easy attachment to your belt or wrist. - Includes a carabiner for secure attachment to keys, bags, and more. The Luka Key Pouch is designed to hold your most important essentials. Whether it's a quick trip out of the house or a hike where you want to travel light, this coin purse keychain can store your keys, headphones, cards, and more. Attach the key holder pouch to your pants, bag, or wrist using the versatile elastic strap or carabiner. With its convenient design, slide on this backpack keychain and get moving.