Original Bamboo Natural PEDIC Memory Foam Adjustable Zipper Standard Bamboo Pillow with Case ADJUSTABLE ZIPPER: Original Bamboo implemented an adjustable zipper inside your luxurious NaturalPEDIC Memory Foam Pillow, allowing you to adjust your pillow to the size & shape that fits you best! We designed our customizable pillow to adapt to your sleeping needs, making it perfect for back, side, and stomach sleepers! Personalize your perfect pillow by unzipping your pillowcase and adding or removing NaturalPEDIC memory foam as needed! NaturalPEDIC MEMORY FOAM: Original Bamboo collaborated with the nation's top neurologists, somnologists, & other sleep specialists while engineering our Improved Shredded Memory Foam. We engineered our NaturalPEDIC Memory Foam to cushion and conform to the contours of your head, neck, & back! Our memory foam provides you with the comfort of a down pillow, while maintaining the support of a contour bed pillows ORIGINAL BAMBOO PILLOWCASE: Each NaturalPEDIC Memory Foam Pillow is protected by our world-famous hypoallergenic pillow case that uses premium bamboo fibers to increase breathability and ventilation, which resists your perfect pillow from collecting: bacteria, mold, & dust mites. Sleep safe & clean with our removable & 100% washable bamboo duvet cover! DESIGNED IN THE USA. Original Bamboo's NaturalPEDIC Memory Foam Pillows were designed in the USA to help reduce neck, back, and shoulder pain caused by flat unsupportive pillows. We researched various sleep studies, while engineering our soft & supportive NaturalPEDIC Memory Foam. Our adaptable foam conforms to your body, providing you with ultimate sleeping support! CUSTOMIZABLE COMFORT: Original Bamboo implemented customizable memory foam, allowing you to adjust your pillow to the size & shape that fits you best! We designed our customizable pillow to adapt to your sleeping needs, making it perfect for back, side, and stomach sleepers! Personalize your perfect pillow by fluffing and forming your pillow to the optimum size & shape!