Four pairs of bright yellow and orange Bamboo socks in Slopes&Town Recycled kraft paper Box These socks are made with care using bamboo fibre and recycled plastic bottles polyester, processed with ReNEW recycling technology, which allows to use less resources (water, energy, etc.) than production of new polyester out of crude oil and, of course, helps to reduce the amount of plastic waste! Bamboo fibre will give you the softest experience you feet ever had! It allows to stay cool in the heat and stay comfortably warm on colder days and it is one of the most moisture wicking fabrics. Designed in Amsterdam. Produced in Portugal. 76% Natural Bamboo Viscose certified with OEKO-TEX, 21% Recycled Bottles Polyester, 3% Elastane Machine wash 30-40 C, do not use the conditioner, do not bleach Wash inside out