Realized that I didn’t explain that well...
So by BPL standards, some extremely light shovels are made for ski mountaineering races, either with plastic blades or carbon fiber blades. They meet the letter of the international race rules, but I don’t think anyone ever considers using them for anything else.
Stepping up from that, for about 16 or 17 ounces, you can get a shovel with a sufficiently large metal blade, although the shaft is pretty short. (I even have one for sale if you’re interested – same price as Costco, although plus shipping.)
The Costco shovel claims to be about 1 lb 5 oz. That’s a pretty typical weight for a shovel with a sufficiently long shaft for avalanche rescue.
Is it as strong as a typical avy rescue shovel? Well, who knows how strong avy shovels really are! One etailer ran a pretty good test, but many years ago, on models that are long since discontinued. A very well-respected European expert ran a test more recently, but he subjected the shovels to highly disputed shoveling techniques (more suited to landscape work and corpse recovery), so many of us don’t think it provided any useful info.
So, for the car, winter camping, sure, that’s a great deal. For avy rescue, or any other application where reliability is important, the no-name makes me nervous.