Organic Cotton Kit Bag. Beautiful Cotton Yoga Prop – Mat Bags, designed to take a full range of your yoga equipment – the bag will easily accommodate 1 mat, 2 Bricks, 1 x Blanket, 1x Brick. These bags have long length shoulder handles, zippered closure and 2 external pockets as well as 1 internal pocket for phones, keys etc. In beautiful coloured fabrics.