Shipping & Returns



Don`t expect a nice box in an cardboard box. That's too heavy, too expensive, needs too much resources and has too high CO2 emissions during shipping.
We have designed the lightest possible, plant based packaging. It is of an international letter size - the most economic way to ship goods. If you like your new swimwear, just put the plant based shipping envelope into your compost or organic bin. For returns, please use it again.



Please allow us 1-2 business days for processing your order. For Switzerland, Europe and international shipments please be aware of the following conditions.

Country Shipping costs Delivery time Returns
Switzerland 2 CHF 1-2 workdays by customer
Europe 9 CHF 7 workdays by customer
International 9 CHF 10 workdays by customer

 If you wish an express delivery, please send us an email to:



Customs Duties:

Please note that depending on the country of destination, additional import costs may apply. 




Should you wish to exchange a size or color, please place a new order.




The products of Round Rivers can be returned within 14 days. We can only accept returns if they are unworn and unwashed. For women swimwear, it is essential that the hygiene strip in the crotch area has not been removed. 

Please note that returns on sale items are possible for an exchange or a voucher only, not for a refund.

Please send your returns to the following address:



Round Rivers
c/o Stiftung Züriwerk

Baslerstrasse 30
8048 Zürich



Round Rivers
c/o Peter Hornung
Hotzestrasse 14
8006 Zürich


Any more questions? We are happy to help!