Mulberry silk comes from silkworms fed exclusively on mulberry leaves, producing the longest, most uniform fibres of any silk type. We use Grade 6A, the highest commercial grade, which is what gives our pillowcases their smooth, consistent sheen rather than the slubbed texture of lower grades.

Momme is silk's version of thread count: it measures the weight and density of the weave. 28 momme is a substantial weight for bedding: dense enough to feel luxurious and hold its lustre, without becoming stiff.

Yes. Silk's smooth surface creates far less friction than cotton, which helps prevent sleep creases, reduces frizz, and cuts down on hair breakage overnight. It's also naturally hypoallergenic and resists dust mites, and because it doesn't draw moisture the way cotton does, your skin keeps more of its own hydration through the night.

Ours is peace silk: silkworms are left undisturbed to complete their full life cycle and leave the cocoon naturally as moths, rather than being harvested inside it. The factory also uses every part of the cocoon (outer layers and unspun fibres included) to keep waste to a minimum.

Silk is a natural protein fibre, more delicate than cotton: machine agitation and heat break it down faster. Hand washing (or a mesh bag on the gentlest cycle) and air drying keep it performing and looking its best for years rather than months.

Yes, within 30 days, though as a personal care item, it needs to be unopened and in its original packaging. Our bed linens are different: those come with a full 30-night trial, so you can return them even after you have slept on them.