Outer fabric is 100% cotton and the lining is a breathable water repellent fabric, suitable for both warm or cold food.

Patterns are as pictures show 

These 3 are Sunflowers, Flowers and a white with orange flowers

The bags vary in size between 6 x 6 inches and 6 x 5 inches

Easy wipe clean after each use and occasionally wash on a low temp, Iron on very low without touching inner fabric