FINE MATERIAL: WiWi pajama is 95% Viscose made from Bamboo, 5% Spandex, which is silky smooth, soft and highly stretchy. Good drape allows the fabric to fit your body without feeling tight. You'll feel free to enjoy your off hours. COOL NIGHT SLEEP: Due to its breathable, light and cool materials, this pajama set has refreshing skin feel, helps wicks away moisture and keeps you dry for a sweat-free cool night sleep. This classic pajama set is very comfortable and feels very sleek, flows over your body. STYLISH PRODUCT DESIGN: Featuring with high stretch silky satin trim on the V neck & hem of shorts, not easily deformed.Stylish ruffled cuffs & hem of pajama top, adds infinite energy for women wearing it.Elastic waist, loose fitting with ease. SUITABLE OCCASION: Suits for resting, sleeping, cooking, or just reading with a cup of coffee at home, enjoy your high quality comfortable off hours. A best choice for your families or friends as a birthday gift, Christmas gift or anniversary gift. Perfect for doing sports, such as Walking, Jogging, Yoga, etc. Washing Tips: Machine wash cold on a gentle cycle. Hand wash recommended. Hang dry or tumble dry on low. Use low steam iron if needed. Do not hot iron, hard twist, bleach, or dry clean. Please refer to the size chart before purchase. WiWi provides a huge selection of men and women's clothing! Shop us for men's pajama set, women's pajama set, loose comfy leggings, soft sleepwear, pajama bottom, pajama top, shirts, nightgowns, and t-shirts, tracksuit set, loungewear, nightwear and yoga pants.