I initially bought this last winter just for a 10 day trip to Puerto Rico so I could easily haul my then 3 year old on hikes and while traveling.Since then, I've used this multiple times, including at a music festival. My 4 year old actually napped in this while we were at the festival. She loves it, and rarely complains about being uncomfortable.Now she's 46" and 45 lbs and I'm planning on bringing it with us to Costa Rica for the travel time + hiking. I know the weight limit is 40 lbs, but last time we used it she was 43 lbs and did great. No signs of wear on the seat or straps. I am a 6'1", 150 lb woman and thanks to the hip straps, am able to comfortably carry her for extended periods of time (even on tough uphill hikes!)I also like that it's a great core exercise when using it!Overall, awesome product. I really didn't think we would get much use out of this, but we really are! Definitely worth the money. I wish I had this when she was even younger.