100% all natural latex pillow is the purest in the market with emphasis on purity and comfort. The dual zone construction provides softness as well as neck support. Pillows are 6.5 inch thick and fits all standard pillow cases. It will not thin down or loose its resiliency after use. They are covered by comfortable 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.