I've only had this product for a few days, so this review is based on my use during this time. I came across this product on Amazon after I did a search for Sorinex, as those were the bands recommended by Bret Contreras—the "Glute Guy" and foremost expert on glute training. I had never heard of Serious Steel Fitness, but the reviews were great and the product seemed like it was quality made, which is extremely important because I could only begin to think of the types of injuries caused by an inferior resistance band. Upon removing it from the plastic packaging, I felt I had made the right decision in my purchase. The band is thick and solid and the seam appears glued together very well. I am a big fan and follower of Bret Contreras. He provides solid, scientifically tested exercises for building your glutes. One of his signature moves is the Hip Thrust, either with bodyweight, barbells or bands. As I progressed passed bodyweight hip thrusts I started to use barbells, but I was having a difficult time engaging my glutes using this method. So I decided to experiment with bands, and I was really surprised at much harder my glutes were working doing it this way. At the same time, I also started having issues with deadlifts. I realized that I was not using the correct form and actually ended up getting some bulging discs. I did some research online and saw that resistance bands were a good alternative for barbell deadlifts (of course I'm limited in how much load I can get using a band, but for me at my level of fitness right now, this is a good solution.) I don't have a gym membership and have only a few pieces of equipment in my home office. For my hip thrusts and deadlifts I take the Green #4 Serious Steel Fitness band and anchor either end onto a weighted barbell (photo attached). Also in the photo is how I use the band for hip thrusts—that is, I put my shoulders on the bench, get my body between the band and the barbell, place my feet flat on the floor and keep my legs perpendicular to the ground. **I need to say that this may not be the safest method, as my butt is directly over the bar (there shouldn't be anything under your butt/back)**, but I am still able to bring my butt down low enough in order to get a good thrust at top, and have not hurt my back or butt yet. For more info on how to do a proper hip thrust I would Google 'Bret Contreras band hip thrust'. For deadlifts, I simply take the proper stance and grab onto the band pulling upward for resistance while squeezing my glutes. What's great about bands is that you can combine them for varying amounts of weighted resistance. I have lighter bands from another manufacturer, but this Green #4 SSF band offers a great level of resistance, and combined with my lighter bands allows me to go much heavier. Once I feel that I've progressed even further, I will definitely come back and purchase their black #5 band.