My son is 8 months old and it has just been over the last month that i have needed to use this as a playpen - it is a fantastic product as it doubles up as travel cot or playpen. It has meant for me, now that he is rolling everywhere, that i have somewhere safe away from sharp corners etc when i just cant be in the room with him eg if the doorbell goes etc. He has taken to it quite well as he can still see out - and even watch the TV through the mesh!! so he doesnt feel like he is in a "mini prison" too much. There is plenty room to put lots of toys in and for him to turn fully around and move. The bottom part wipes down very easily for any vomit accidents too - very important! I have it up permanently in my living room but it is really easy to put up and down and stores away in a bag very neatly shopuld you wish to do so. Overall it gives me protection of mind that he is somewhere safe if i just cant be there and as we all know you only need to turn your back for a second at this stage and they are away exploring or putting things in their mouth ...