A Euro pillow is a square-shaped European pillow that is used for decorative purposes on beds, sofas, or chaises. It can also be used for back and head support on beds and furniture when reading or watching TV. The standard size of a Euro pillow is 26 x 26 inches, which is a bit wider than the bed pillows you sleep with. Euro shams, which are decorative coverings designed to fit over Euro pillows, typically match the size of the Euro pillow itself, although you may also find slightly larger Euro shams, measuring 28 x 28 inches or even 30 x 30 inches, which allow for a looser fit or a more plush appearance. When selecting a Euro sham, consider the size of your Euro pillow and the desired aesthetic for your bedroom.