oes treat time Custom Zippered Pillow Case 20"x20"(Twin Sides)

* 3.53 Oz. Made of 50% cotton / 50% polyester material, soft and comfortable texture.
* With pre-shrunk fabric, machine washable at 60℃.
* Zippered opening style.
* Both functional and decorative.
* Insert are NOT included.
* Designer Tip: 
1. When customizing it, only need to design one side (ex. Side A). It will automatically copy the same image to the other opposite side (Side B). 
2. Recommended uploaded image size in pixels (L x W): 3189 x 3189 or higher.