At a glance - Fully lined for smooth silk inside and out - Gentle on your hair and skin - Stretch Mulberry silk - Sewn in the UK Wrap your hair in luxurious grade A mulberry silk with our silk capuchon and wake up each morning with smoother, softer hair. Using a silk sleep cap at night can help prevent split ends, dryness and breakages by reducing the friction on your hair as you sleep. Silk is soft and gentle on your hair, helping to reduce frizz, breakages and split ends and extend time between hair washes. Our silk sleeping bonnets use an elasticated channel to fit most heads between 21” and 24” or 53.5cm and 61cm and are fully lined so you get the beautiful glossy shine of satin on the inside and outside. All of Mille Saisons' silk accessories are sewn in small batches in the UK. All of our silk hair wraps come with a gift box and pink ribbon and sticker for sealing shut. 94% Silk, 6% Spandex, 19 momme. We use a silk spandex mix because we’ve found it frays less and little extra stretch can help with a more comfortable fit. We recommend a gentle hand wash and following the silk care guide enclosed with our sleep caps. Available in 10 colours as a regular order but available in any stock colours and up to 92 additional colours on request.