I became concerned after I purchased the cots, because one of our furbabies hasn't quite reached her weight loss goal yet, and exceeds the weight limit a little for the large cot. Not knowing how sturdy it would be for such a great price, I thought she might break it (don't worry-I didn't tell her!) I needn't have worried! The cots are so sturdy!!! And they fold up super easily and are very portable. My 105 pounder and my 70 lb 5 1/2 month old German Shepherd puppy are happy as can be. Thank you for a great product!