Pillow cases or old sheets sewn together at the size I want. I've tried alot of bags, and not many will keep the flies from blowing through unless they are dense i.e pillow cases.
Go to good will and find the lightest pillow cases you can. You want the bigger ones but I really like finding a lightweight sheet, and making them the size I want.
I like the Allen Backcountry meat bags. They're perfect size IMO at 20"x30", they have held up great, and they wash up nicely for re-use. I carry six bags.
TAG Bags. Block the flies from laying eggs. Durable. Wash up beautifully. They're a site sponsor. Their customer service is incredible. I had someone throw out a couple of my TAG Bags this year. After emailing Pristine Ventures to see if I could get some sort of cheaper shipping options to Canada to purchase a replacement bag, they ended up giving me free replacements and shipping it on their own dime. Needless to say they've got a loyal customer.
Not sure if this qualifies as a favorite as I've only used one brand for 30-40 years, it's the Allen Game bags the Outfitter Series. No reason to look for anything else, they have been bomb proof for us for both Elk & Deer!
Caribou bags have been absolutely great for me. I have used them on several deer, elk, and antelope over the last 4 seasons or so and they are still going strong. A bit spendy but worth it in the long run. They are a bit heavy if you are counting ounces however.
TAG bags are top quality and the customer service is FIRST CLASS! The way Larry handled the material failure a few years ago made me a customer for life.
I have some TAG bags that I like. You can also make your own for pretty cheap. The kuiu bags look fine, Id stay away from the ones that have zippers on them, seems like a weak point.
i love my Caribou Gear bags, i have the wapiti set and i think ill pick up the boned out meat set for deer next. after multiple uses on elk they show no signs of wear and very very minimal discoloration after washing. the sizing and shape of the Kuiu product looks really nice.
TAG Bags. BOMB bags specifically for boned out meat. Pretty sure a lot of the other bags on the market copied Larry's design, his customer service is top notch, and he's a Rokslider.
I've used Kifaru meat bags for years, they are pretty tough, easy to clean and hold a lot of meat. Not super breathable as TAG bags say they are, but seem to work fine so far. I've not had an elk down way back when it's hot, and hope my trend continues.