This Sleeve Unit Air Bag is custom Tailor fit your Machine ,We use Our Air Bag fabric with first quality Yarn ,We Heat set and treated with secret Chemical ,We make sure Our air Bag can take up to 335 degree Fahrehiet ,single Fabric at Shoulder help Heat tranfer faster That mean your Shirt will dry Faster at 16 to 24 second depend on light or heavy Shirt . Can other Brands does it ? .So Please don't compair Orange Over Sea with America Apple , We make this Cover under respecfull of Machine Manufacture require ,all Fabric use 100 % Made in the USA , Double Unit could last up to 15,000 Shirt use Our Cover and see by your self