Healthy sleeping comfort, also on board. The high-quality and comfortable CALYPSO spring system ensures perfect ventilation of the bottom of a mattress. The spring elements can be mounted in any sequence and direction as long as there is a solid base. Simply use the double.sided adhesive tape (enclosed in the delivery) for attachment. The installation height is only 4 cm, which ensures versatile application of the system. You need approx. 30 elements per m_. Delivery scope: 50 elements.