Our Silky Bamboo Sleep Masks are not only made from 100% anti-bacterial bamboo fibre. But also filled with the highest quality mulberry silk. It contains a natural protein sericin which makes it hypoallergenic. Our bamboo silk eye masks don’t leave any compression marks on your face. They are pillowy soft and gentle against the skin around your eyes. They are cooling, breathable and biodegradable. The perfect treat for your beauty sleep!