The size of this pillow is 20*26 inches, and the filling is 95% gray goose feather and 5% goose down, which is made of high-quality material for the best sleeping experience. Its medium-firm density and gusseted sides provide excellent neck support and alignment for back, side and combination sleepers. The outer shell is made of 100% cotton, which is durable yet soft and breathable, and the high-density fleece lining prevents internal leakage. Ethically sourced down following the Responsible Down Standard ensures a blissful night's sleep. For maintenance, machine wash on gentle cycle and regular fluffing is recommended, preferably with the pillowcase. In case of any problems, it is recommended to contact the seller to solve it immediately, as this method will find the fastest solution instead of resorting to other methods.