The casing is made from 100% organic, muslin cotton, woven to increase air circulation and prevent suffocation. The wide weave of the 100% organic, muslin cotton casing fosters maximum air flow.

This is a hypoallergenic, food grade product with no chemicals, biocides, fire retardants or allergens used in it or its construction.

The casing is easy to clean in a washing machine in cold water.