This is a LOGOS tent-fitting waterproof mat, solo size. I've only used it once. The following are the manufacturer's specifications: Inner mat to be placed inside the tent Size: (approx.) 200 x 90cm Storage size: (approx.) 15 x 45cm Main materials: [Surface] Breathable polyester [Inside] Polyurethane foam [Back] PVC sheet Inner mat for tent *M size is also available.