We have introduced many nice slim wallets that can hold your cash and cards. But if you wish your wallet also works with your keys, the Liquid Wallet with key hold may be more suitable for you.
The Liquid Wallet is a strong and practical slim wallet that measures 94 x 59.5 x 14mm and weights 92g. The slim wallet features sleek minimal design and robust construction, and consists of three parts including two custom designed aluminum pieces and a durable elastic strap. Using included brass screws you can easily put them together into an integral wallet in order to hold your paper money and bank cards, and the elastic strap keeps the essentials securely in place, while built-in key holder is able to hold your two keys, apart from that, an extra stainless steel spacer lets you attach a keyring for your additional keys.
At present the team of the Liquid Wallet is raising fund via Kickstarter. Pledging $49 will let you one the slim wallet. If you’re interested, jump to Kickstarter official site for more details.