Description Constructed with Everest Isles proprietary blend of SEAWEED Fiber and Lyocell  with Non-Toxic Dyes to make the most sustainable and natural underwear on the planet.  Product Features  Standard Fit and Leg Naturally Antibacterial Inherently Breathable and Wicking  No Tag Construction Fully Water Soluble Packaging (Including Stickers and Glue) MADE IN PORTUGAL  Size & Fit   Product Care Delicate Machine Spin Cold Do not bleach Low heat dry