• 23cm +/- 1cm • Hard • Cotton Wadding • Elasticized Coir • Steel Bonnel Springs (384 Springs) • Elastic Coir • Cotton Wadding Sleeping mattress made of Bonnel springs, elasticized coir and white cotton wadding. Bonnel springs give an absolute sense of support and stability. Coconut enhances the support and stability of the mattress, while at the same time, as a natural material, it contributes to its proper breathing. Cotton is the most widespread vegetable fiber in the world. It is comfortable, light, cool, hypoallergenic and extremely hygroscopic, allowing the body to breathe freely. The mattress is surrounded by ecological fabric with antibacterial certification.