The Heveya WOL Mattress blends pure New Zealand wool and organic latex for natural breathability, pressure relief, and dual firmness comfort, exclusive to Heveya® TANGS. Natural crimped wool fibres that provide gentle springiness and long-lasting loft. A plush topper layer filled with 100% natural New Zealand wool – needle-punched, not glued, for better breathability and structure retention. Breathable material for a comfortable sleeping temperature. Removable mattress cover for easy cleaning. Mattress thickness: 32.5cm. All dimensions are approximately ±2 cm. Firmness levels: Firm, Medium & Soft. Dual firmness possible within a King Size mattress. Available in European and Singapore mattress sizes. Custom Size available. Contact us for more information. Our service includes 100-nights free trial, free delivery and removal of old mattress. The core of this Heveya® mattress is made of 100% natural latex harvested from a certified organic latex plantation. The mattress cover is made from environmentally friendly bamboo fibre textiles and is filled with natural organic cotton filling making it soft and luxurious.Our mattresses are made of high-quality premium materials and have achieved international certificates through our suppliers.All Heveya® mattresses are covered under a 10-year warranty. For full details, check out our FAQs.