Sac à main GUESS Tiera Flap Shoulder Sander bag HWVG84 91190 WHITE Martine Rose comes with Herm of kitsch gadgets to make life just that little bit easier. The main fold over Sander bag is made from smooth leather and is designed to hold your smallest essentials, while the detachable metal strap comes attached with a bottle opener, key holder, coin purse and Mr Keychain charm, which you can mix-and-match to your preference.