Wash it by hand only with a special wool detergent (even better with cashmere shampoo).
Do not use fabric softener.
Do not soak the blanket and avoid twisting the blanket.
Dry flat on a dry towel and avoid sun light while drying.
Iron the blanket on low heat, without stretching and pressing it.
Do not use bleach, chemical products, or tumble dry mimi et lulu cashmere baby products.