<B>What is 3D air network technology?</B><BR> 3D Airnet Technology is an upgraded version of 3D technology that allows water and air to easily penetrate through these holes for fast drying, superior breathability and ventilation. The soft polyester material has good elasticity and therefore does not deform over time.<BR><BR>   <B>How to use this bath pillow?</B><BR> Clean and dry the bathtub to ensure that no water touches the suction cup. Use a suction cup to attach the pillow to the correct position in the bathtub. Press the pillow against the bathtub to make sure it is securely fastened.<BR><BR>   <B>How can I clean this bath pillows for tub neck support?</B><BR> 1) Machine wash: Put the bath pillow into the laundry bag, put it into the washing machine, and wash it with mild detergent cold water. Please pay attention to when washing the pillow, do not bring other clothes, do not use bleach.<BR> 2) You can also wash your hands with a mild detergent cold water.<BR> 3) Always keep the pillows ventilated and dry, do not iron.<BR><BR>   <B>How to dry this bathtub neck pillow?</B><BR> After each bath, place it on a dry, ventilated surface or place it in the sun for drying.<BR><BR>   <B>Why buy a bathtub pillow?</B><BR> It's not just a bathtub pillow, it's just a treasure that relaxes your body and mind. After a busy day of work, you drag your tired body back home and eat the perfect food. I believe that what you want most is Take a hot bath to soothe your tiredness all day long. Long bathing requires a good bath pillow to help support your head and neck, and then the 3D air net starfish bath pillow is your best choice.