The Blue AEROmat--AeroMats are an outstanding value and superior quality. These mats are closed cell foam, multifunctional, non-slip (good for yoga), and come with their own carrying bag! They are 3/8" thick making these mats the thickest yoga mat available. Features: warm and comfortable to touch, superb cushioning, lightweight and easy to roll up, closed cell structure, impervious to water, and a non-slip, flat surface. Available in blue, black, or purple.