100% Natural Latex Pillow 100% Latex Pillow These pillow inserts are made from natural latex, which comes rubber tree as fine syrup and then converted into natural foam. They have open pin construction to allow air circulation and support well for luxurious comfort. They are covered by organic cotton shell. These pillows hypoallergenic, anti-microbial, mildew proof and dust mite resistant. The consistent surface relieves pressure points for comfortable sleep. These are TRUE NATURAL PILLOWS – no polyester, no toxic chemicals, no bird feathers, and yet MOST COMFORTABLE. Single zone and dual zone pillows are available, standard and king size. Our organic cotton pillowcases coordinate well with these inserts. Standard Pillows: Fits Twin and Queen beds - 16x28x6.75 inches King Sized Pillow: Fits King and CA King beds - 17x34x6.75 inches Other natural latex products: Contour pillows, shredded pillows, travel pillows., lumber support pillows, mattress inserts - crib and adult sizes.