S3 100% Natural Dunlop Classic Latex Pillow by Lien A All Natural 100% Pure Botanical Dunlop Latex - No Synthetic Additives. Standard Pillow Size, Medium Firm Density 55kgs/m3 Naturally Antimicrobial, Mildew Proof, and Dust Mite Resistant Pillow is Constructed to Accommodate Both Back and Side Sleepers While Providing Consistent Head and Neck Support Naturally Porous, Breathable Material Maintains Comfortable Sleeping Temperature 100% Cotton Cover is Removable (through cover zipper) and Washable