Designed for aerobics and fitness exercise workouts. Nylon coated vinyl covers easy to clean. Long-lasting, shock reducing 1 3/8" fill. Hook loop fasteners on 2 sides or 4 sides for easy attachment to other mats - covers walls and floors for safe sparring environment. Other colors and sizes available upon request. See below for size and description to complete your order. Indicate your color preference ( Black, Red, Green, Royal Blue, Yellow, White, Grey, Tan) in the comments section at checkout. Size Description 2 Mat 2-sided Velcro 4X6 3 Mat 4-sided Velcro 4X6 4 Mat 2-sided Velcro 4X8 5 Mat 4-sided Velcro 4X8 7 Mat 2-sided Velcro 5X10 8 Mat 4-sided Velcro 5X10 Note: Additional charges may apply for oversized shipping. Delivery time for Velcro Mats may exceed 2 weeks.