【compatibility】

-- The headgear is a replacement strap compatible with Resmed F10 Or F20 Full Face Mask.

【Material】

-- Polyester Nylon

-- Smoother interior surface that is less likely to cause irritations or abrasions to the skin.

【durable】

-- Can be washed repeatedly without fraying, curling, shedding, or other forms of degradation.

【Satisfaction Promised】

-- If you are not satisfied with our products, we promise to offer a replacement or refund in 30 days. Buy it with confidence please.