think ECO Organic Cotton Using certified organic cotton, it does not burden the skin. The lining fabric is jacquard, which makes it cool and breathable. SPECIFICATION: Delivery: Fulfilled by AmazonColor: Black, Dot, Oatmeal, Dark gray, Light grayMaterial: Organic CottonProduct Included: 4 pack International Organic Certification Cotton grown on farmland that has not used pesticides for 3 years, and the entire process is thoroughly supervised by a certification body. Organic certification is renewed every year. ERTIFIER ECOCERT GREENLIFE CERTIFICATION NO. N°EGL/188963 hink ECO Organic Cotton Face Cover Reusable Warm Windproof Cover We make products using certified organic cotton. Organic cotton is a soft material that doesn't burden your skin even after prolonged use. It is washable, so it can be used cleanly and economically. Certified Organic Excellent breathability Three-dimensional design Reusable as washable Filter can be inserted The outer and inner sides are made of organic cotton, soft to the skin, and the jacquard lining is more breathable. There is an inner pocket for inserting filters inside. (Filters are sold separately.) The filter size is compatible within the mask size range. It is washable and can be reused. NOTE: Wash by hand in water & hang to dry.When it is contracted, pull it gently to increase its length to its original state.We recommend replacing your disposable filter with each use. think ECO Organic cotton Cool 4PCS think ECO Organic cotton 4PCS think ECO Organic cotton Adjustable 3PCS Raxena 4PCS Raxena Dome 3PCS Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.0 out of 5 stars 222 — — 3.7 out of 5 stars 14 5.0 out of 5 stars 1 Price $10.00$10.00 — no data — no data — no data — no data MATERIAL Organic cotton Organic cotton Organic cotton 92% Polyester 8% polyurethane 92% Polyester 8% polyurethane PACKAGE 4pcs 4pcs 3pcs 4pcs 3pcs SIZE SS / S / M / L SS / S / M / L S / L S / M / L M / L COLOR Black / Dot / Oatmeal / Dark gray / Light gray Black / Dot / Oatmeal Black / Charcoal / Quilted Black / White / Gray Navy / Lightblue / Beige FEATURE Soft, Breathable, Washable, cool Soft, Breathable, Washable, Warmth Soft, Breathable, Washable, Adjustable, Warmth Breathable, Washable Breathable, Washable