Polyester 
Package contents: you will get 1 piece of white pillowcases with heat tranfer printing; each of them measures roughly 40 x 40 cm/15.7 x 15.7 inches (the pillow inner is not included in the package) 
Premium quality: our white cushion covers are made of polyester peach skin material, which are soft and comfortable to touch; they are lightweight and durable, and not easily get wrinkled, meeting your needs for long-term use 
Excellent sublimation effect: these blank pillow covers are suitable for dye sublimation or thermal transfer; you can DIY various patterns according to your preferences; they are right for sofas, chairs, beds, etc. 
Warm notes: the printing temperature should be set at 180 degrees Celsius, lasting 40-60 seconds (340 degrees Fahrenheit); you can make double-sided printing 
Invisible zipper design: every sublimation pillow case is equipped with an exquisite invisible zipper, which does not affect the appearance; with the zipper, it is convenient for you to clean the pillow case when it gets dirty