It's only 14g per slice and each loaf has approx 15 slices. The low carb stuff I buy is 10g per slice, a buck cheaper per loaf, each loaf has approx 22 slices, and there's no shipping charge. It would have to taste great for it to be worth it.
They sell P28 at my local grocery stores. I buy it regularly and have had the bagels too. The first time I tried it I made a sandwich and found it tough to eat the whole thing. The taste isn't bad, but the texture is very spongy. Its much better if you toast it, which is how I always have it now. I make a sandwich or put some peanut butter on it for a snack. Can't beat that kind of protein content - even though it is 14 g per slice and the slices are pretty big.
The bagels are really big. For a while during a bulk I'd make a breakfast sandwich with a bagel, eggs, bacon/sausage, and cheese. They're not bad but a little too big and will make your jaw sore. I stick with the bread for this reason.