bSoft Seashells Blue Robe 95% Bamboo Viscose/5% Elastane 3/4 sleeve wrap robe with inner tie and attached outer belt hits above the knee for a flirty fit bSoft Jersey is a stretchy, silky soft material that feels light against your skin. The material is made of 95% viscose from bamboo and 5% elastane Sizes run as: Small (2-4), Medium (6-8), Large (10-12), XL (14-18). Sizing Runs as follows: Small/Medium (4-10) Large/X-Large (12-18).