We recommend that you contact the retailer or webshop where you purchased your product, as they may be able to help you further.
You can find all our retailers at this link: Retailer list
If you purchased the product via our official webshop at www.karupdesign.com, please send us your order number and information about the spare part you are looking for. We will be happy to investigate the possibilities and help you further.
You can contact us through our contact form.