Adults - Fridaze 100% Linen Face Mask (No Filter Included) - Seaglass (Pack of 5). Best Linen Mask Ever Made. [Best Comfort] Most Breathable Fabric Mask [Best Fit and Style] Adjustable Ear Clip on Elastic, Modern Streamlined Design and Sewn In Nose Strip to Fit Face Shape [Best Construction] Handmade with Unparalleled Fridaze Tailoring, Constructed to Maintain Shape Wash After Wash [Best Natural Fabric] Why Linen NOT Cotton? Linen is More Breathable with Wider and Stronger Fiber Than Cotton, Environmentally Sustainable, Thermo-regulating, Hypoallergenic, UV Resistant Comes with a 2.5 PM filter pocket (Filter NOT included) Dimensions: Approximately 9 inches width by 5 inches height CARE INSTRUCTIONS: Machine wash and dry on gentle cycle. Hand Wash is recommended for prolonged use of product. All mask sales are final. No return or exchange of face masks.