Lifeboard - Portable Floor to Enhance Yoga, Pilates or Ballet Barre Exercise At Home on Carpet or Outdoors Anywhere Portable floor to enhance yoga, Pilates or ballet barre exercise at home on carpet or outdoors on just about any surface. Firm, rigid platform to support yoga on soft surfaces like home carpet, the park, the backyard or the beach. Place the LifeBoard on just about any surface, then put a standard-sized yoga mat on the LifeBoard and enjoy your routines. The LifeBoard is portable and affordable. *Do not use or leave in direct sun as this may cause the board to warp* Lightweight, easy to carry and store. Approximately 8.5 lbs per panel (17 lbs total). The interlocking tabs keep the two panels from separating vertically or horizontally. Made of 50% recycled high-density polyethylene (HDPE) and shipped in boxes made of 100% recycled material. LifeBoard and box are 100% recyclable. 73 L x 28 3/4 W x 5/8 H (assembled) - just a little larger than a standard yoga mat