I bought the smaller tunnels not sure if my 3 cats would accept it or if they ever would. They love this tunnel, they hide, stalk and pounce on each other while playing in it. It's big enough for a toddler to crawl through, so there's plenty of room to play. It's strong enough for the price I paid. It folds up quickly and I use tie straps to keep it closed. A very good buy for me and for her. The price was very reasonable and I'm sure the cats will make money from it. It's worn out (all cats have claws) I'll buy another one