Fast Shipping – ALL orders ship within 2 days of ordering USA Made Quality – Proudly made in the USA with our precise compression fabric Designed by Doctor – Precisely designed by a current doctor to ensure buttons are placed correctly to fit all masks Non Slip – Compression of the headband creates the perfect pressure on the head so that the headband does not slip down the head like other fabrics One Size Fits Most – General 9 inch circumference for the average every day head size