22 momme is the density of mulberry silk fabric. Momme is a unit of measurement of Japanese origin that characterizes the weight, density, and quality of silk material. Most silk products on the market have a density of up to 19 momme, while we offer the highest density.

Mulberry silk is a type of silk made from the cocoons of the mulberry silkworm. It has smooth and soft properties and gives the fabric a special sheen and luxurious feel.

Hand wash or gentle machine wash: Prefer hand washing mulberry silk pillowcases or use a gentle cycle on the washing machine. Use cold or lukewarm water and a mild detergent. Avoid strong detergents and bleach as they can damage silk fibers. When drying, we recommend letting it air dry, avoiding direct sunlight. More information can be found on our Care page.

Yes, Sliip products are hypoallergenic.

If you are not satisfied with your purchase, you can return the product(s) according to our return policy.

The advantages of Sliipi products over cotton and other fabrics are that mulberry silk regulates temperature, is hypoallergenic, and can help improve sleep quality.

Delivery usually takes place via postal service (Itella or Omniva) and depends on your location. In most cases, the delivery time is a few days but may vary depending on the destination and public holidays.