The Vipp towels are woven in a combination of viscose rayon (bamboo) and organic cotton. Organic cotton adds softness, while viscose rayon lets the towels absorb more water and dry faster. Sold in sets of 6 (2 small, 2 medium, and 2 large)

Dimensions
Small: 18" x 26"
Medium: 22" x 38"
Large: 30" x 53"