Whether you choose Mulberry Silk or Cotton, every facemask is reusuable, washable has an adjustable strap and is non irratating to the skin. Our cotton and silk facemasks are made up of two layers. The outside being 100% cotton and the inside being either 100% cotton again, or pure Mulberry Silk. The cotton facemask is reversible. The inside layer is lined with plain block colour fabric making it perfect for occasions when you may want to achieve and simpler look. Mulberry Silk is 100% natural, odorless and hypoallergenic. PERFECT to combat the maskne you may be experiencing. Both facemasks are extremely comfortable to wear for long periods of time, and very breathable to prevent over heating. Strictly no returns for obvious hygiene reasons.