Returns & Guarantee

Our return period is 30 days.

If your purchase was made more than 30 days ago, we are unfortunately unable to offer a refund or exchange.

Some items are excluded from return, especially gift vouchers and already opened Boulderkalk packaging.

For a smooth processing we need a receipt or the receipt. Please do not send the items back to us directly.

There are situations where only partial refunds will be given (if applicable):

Items that are no longer in original condition, have been damaged or are missing parts that are not due to our error.
Items returned after 30 days from delivery.
Refunds (if applicable): Upon receipt and review of your return, we will notify you via email regarding the status and approval or denial of your refund. If approved, the refund will be processed and automatically credited to your credit card or original payment method after a few days.

Delayed or missing refunds (if applicable): Haven't received your refund yet? Check your bank account first. If everything is correct and the refund is missing, please contact us at

Refunds only apply to regularly priced items; unfortunately, promotional items are excluded from refunds.

Exchange (if applicable): We will only exchange defective or damaged items. If you would like to exchange an item for the same item, please send us an email to and send the item to us only after our confirmation: Rheindorferstraße 133, Langenfeld, North Rhine-Westphalia, 40764, Germany.

Gifts: If the item was labelled as a gift and sent directly to you, you will receive a voucher to the value of the purchase upon return. When you return the item, you will receive the voucher by e-mail.

If the item is not labelled as a gift or was sent directly to the person giving the gift, the refund will be made to the person giving the gift, who will be informed of the return.

Shipping: To return your product, send it to: Rheindorferstraße 133, Langenfeld, North Rhine-Westphalia, 40764, Germany.

You are responsible for the shipping costs for the return and these will not be refunded. The shipping costs for the return will be deducted from your refund.