Lightweight pet kennel made with heavy-duty plastic Easy-to-assemble; Wire door secures shut with chrome squeeze door latch,easy to operate Four way ventilation/water dish included I think it's suitable for 30-50 LBS Generally speaking there are only 3 suitable sizes of pet kennels, which are approved by international airlines; this is the medium size out the three. We live conveniently right at the subway, lines 10/14.