Noppy-Flex 055731 Extremely RARE - Birkenstock Noppy-Flex Massage Sandals- Limited Availability * Adjustable single strap with metal buckle * Madrid-style Sandals * Noppy Acupunture Massage * Made in Germany * Come in original box DISCLAIMER: We have meticulously gone through each shoe to find the information that best describes their age, origin and design. If for any reason you are not satisfied with your purchase, please don't hesitate to contact us, we will happily assist with a return. See refund policy for details.