Its easy to assemble, especially if its more than one person doing it. This is replacing the 46 year old previous bow light. The size 3 was a perfect fit for him. I bought them, but then I was so afraid of being disappointed that I didnt even take these out of the box until I realized that my window was closing to send them back, and they were too expensive to lose that much money. Also, stylish enough to wear anywhere casual wear is the norm. Super easy shipping from a quality amazon seller. Livraison relativement rapide, ils sont exactement ce que jai commandé. ago with many up-and-coming world class mt. I will definitely be looking into a new brand, which is HIGHLY disappointing. I have the medium bag which comes with 3 inner sand bags.