Puppy dog whelping box / pen with play area Pvc board that is a strong and rigid construction also very hygienic easily wipeable to clean Quick assembly and disassembly. Puppy safety rails included to stop pups being trapped behind the mother . Comes in 4 sizes to suit the full range of dog breeds. Whelping box and play area dimensions Small 210cm (L) x 90cm (W) x 50cm (H) Medium 240cm (L) x 90cm (W) x 50cm (H) Large 240cm (L) x 120cm (W) x 50cm (H) Extra large 270cm (L) x 120cm (W) x 50cm (H) To work out the size you need , measure your dog from head to tail then add 40cm ( this is a rough guide ) Our whelping box with play area will make your life much easier as well as provide plenty of room for mum and her pups to whelp and rest. The pen will come flat packed with all fixings including a screw driver. Just follow the instructions provided Please note FLOOR IS NOT INCLUDED