GIFT VOUCHERS KM Gift Vouchers are an excellent idea for Christmas, Birthdays, Weddings, Anniversaries and indeed any other special celebration. Rather than trawl the high street for the right size, we are opting for Kurt Muller gift vouchers, which always fit, no matter what. Gift Vouchers are available in £5, £10 and £25 denominations and are redeemable against any purchase made at any Kurt Muller store. Click on the Gift Voucher link to purchase the most thoughtful gift of all.