But if you plan on taking a full sized one, look elsewhere. You can:1. Still don?t know about the unit a little bit apprehensive I will give my full review my revised review in due time (Bought them in August)Only downfall is they are very squeaky if you don?t wear thick socks to fit the whole shoe. Will follow up with outcome. Highly recommend these! First, just to be clear, this seems like a good product, thus the 4 star rating. Great price and functionality. (Side note: please ignore my puppy?s pee pad in the video lol). Great extension, very well-built.