It's made of bamboo Chemo Women's Fashion Solid Flower Patch Design Cap This eco-friendly fabric is naturally porous, means it absorbs moisture better than other fabrics and dries quickly and comfort for those undergoing cancer treatment. Crafted from 95% Bamboo Viscose and 5% Elastane, this breathable and soft cap offers a snug yet gentle fit. With its solid colors and delicate flower patch, it brings a touch of femininity to any ensemble. Designed with minimal seam exposure for ultimate comfort, its single jersey knit with stretch ensures full volume at the front. Free Size and suitable for head circumferences ranging from 21 to 24 inches,Great Gifting Idea , Alternate to wigs, Baldness ,Alopecia, Thinning of hair , Chemotherapy hair loss, Sensitive Scalp.