Buffalo Blizzard Blue 8-Foot Long Single Chamber Water Bags | 12 Pack | 22-Gauge Heavy-Duty Vinyl Material | Secures Winter Cover to Rectangular Swimming Pools

They are ok

I wanted black and in a thicker gauge vinyl, so I chose these based on researching reviews (not easy because I found all of the reviews so 'mixed' no matter which bag/company I looked at). I have used 3 of the 6 water bags. Upon filling, one of these had a small pinhole leak which was remedied with some packing tape. I chose not to contact the seller because it was a simple fix. The bags have worked fine for 1+ month, so satisfied with my purchase.

The box contained twelve water bags as ordered. All seemed well until I got to the sixth bag which has a leak on the seam on the end where the filter is. This seemed a good value and worth not going to my regular pool supply store until one bag was unusable and then it wasn't such a value.

same size as the double tube but is single. nice thick plastic and good valve for sealing water in. Still have to see how they winter.

2 bags leaked as soon as we filled them with water. very cheap product. doubt they will survive one winter on the pool

One bag was leaking when we first filled it. Customer service immediately sent out 3 replacements! Just bought, so we don’t really know about durability. Definitely recommend this vendor!

The manufacturer cut too close to the edge and water started leaking out of the corner of the third one we filled. We found a total of 5 out of the 24 that were cut too close to take a chance on. Having said that, they seem sturdy enough otherwise and are holding down the pool cover so far. Fortunately we ordered a few extra in case there was a problem.

Of those 8' pool bags I bought, One didn't hold water from the first day I filled it. Not so sure how heavy duty they are. The winter with freezing will tell me how the rest of them are.