"The package is composed of the following sizes: S,M,L in "The package is composed of the following sizes: S,M,L,XL in different colors. Dimensions:S:45CM*60CM M:60CM*80CM L:80CM*100CM XL:95cm*120cm *The dog mattress is made of microfiber, skin friendly and breathable, anti-wrinkle which provides all dog or cat a comfortable environment. *The mattress features a non-slip and dirt-resistant bottom design, keeps the dog bed in place at all times, plus it is suitable for outdoors or indoors. *Colors to choose from: blue, navy blue, dark green, brown, gray.