Let me preface this by saying I had Ikea roller blinds installed already before I purchased these ones, so in a way I had some expected standards when purchasing these. That being said, the roller blinds I had before installing these were NOT blackout blinds but privacy blinds, and that is why I purchased these, so that I could block out the sun in peak spring and summer since my office is facing the sun as it comes down right in front of my home after high noon. Now that that's out of the way.... These blinds did not impress me. When I unpackaged them, the first thing I ran into was that the edges of the frames were plastic, I can live with that honestly, but what was horrible was that the inserted red "thank you" card blemished the plastic on the frames badly, don't ask me how but that's literally what happened. On all three blinds I ordered, where the card was closest to on one end of the roller blinds, it rubbed against the plastic and discolored it red quite a bit. To remove some of it I had to get some elbow grease going and really try to add some friction with a micro fiber and remove it as best I could. Cosmetically the blinds are okay but considering they cost more than the Ikea roller blinds I had...they're just so plain, the Ikea blinds had stoppers built into the frames and the way they rolled up was soooo smooth. With these blinds the mechanical function of them rolling up feels cheap comparatively and no matter now much I adjusted the tension of the roll up, it was way too fast and if it was slow enough it wouldn't wind up to the very top all the way. With that being said, I wouldn't buy these blinds again, but they do their job and do block out the sun very well and work okay relative to price, which are what the 3 stars are for. **UPDATE 4/8/19** So I've had these blinds for a solid couple weeks now. Still stand by most of what I said to be honest and they work well blocking out the sun, but...the added one star is for the customer support. Liz, from Sunfree, reached out to me about 4 days later after purchase asking if I would like one replacement blind at no charge. Sure enough I took Liz and Sunfree up on the opportunity and just one day after my correspondence with Liz, she provided me a tracking number for the new roller blind being sent. New roller blind did not suffer from the red stains on the frame as mentioned from originally ordered blinds but it still does roll up a bit too fast in my opinion. In any case, good customer service, thanks for the replacement blind Liz and Sunfree!