Instruction: Given a question and the related document, predict if the question is answerable based on the information provided in the document. Output only yes or no.

Input:
Question: If i purchase two of these bags, will they zip together for one large bag?
Document: Once or twice a year, I find myself needing a very warm sleeping bag for cold-weather camping. I previously had a 20-degree rated bag that would do fine for most temperatures above zero, but last winter I had to camp in some -10 degree weather, and it was simply unbearable. That miserable experience forced my hand to buy two (one for my wife, one for me) of these bags. I have finally used the bag and feel I can write an accurate review.
If you have limited storage space for your camping equipment, you might want to reconsider. This bag takes up roughly twice the space of a "normal" sleeping bag. The compression straps allow it to be rolled in two configurations. The full width configuration will be approximately the same size as two standard-sized bags placed side by side. The half width configuration will have about twice the diameter of a typical sleeping bag when rolled.-  Warm. Another pro that can be a con.
If you want the one-sentence version, scroll to the bottom.Pros-  HUGE. I am not a big guy, but I still enjoy my space when I'm sleeping. This bag allows me to roll over and stretch out as necessary without the restrictions of a mummy bag or smaller rectangle bag. My dad is a large guy (6'3", 230 lbs), and on our recent hunting trip, he used my spare bag and commented on how big and comfortable the bag is.-  Warm.
I have no doubt this bag would be comfortable in sub-zero (fahrenheit) temperatures, likely approaching its -25-degree rating.-  Durable. Having only owned this product for one season, I have to project its durability, but the canvas exterior, heavy duty zipper, and thick interior lining have me believing this bag will last me many years to come. The only parts I question somewhat are the straps for rolling the bag.
First right off the bat I must tell you that I can't verify if this Sleeping Bag keeps one warm in minus 25 degree weather because; Maryland never gets that cold thank God himself. I brought this sleeping bag so I can remain toasty warm in my condo on winter nights when I turn the heat off. In my condo I have electric heat which dries out the air making my nose bleed. During the day I boil water. At night I just turn the heat off when ready for sleep.
It seems cleaning sleeping bags in general causes the fiber fill to shift.The sleepng bag I received was not in a brown Amazon box. Shipping labels were stuck on the product box. The box arrived damaged. This was intended as a Christmas gift for my husband. When he brought in the mail he could clearly tell it was a sleeping bag. I am a bit unhappy with Amazon for this faux pas.
Mine are fine, and showed no signs of flexing or breakage upon my first few uses, but the plastic buckles and stitching on the straps seems much less "heavy duty" than the rest of the bag.-  Cost-effective. Most bags I was looking at that promise this sort of warmth were at least twice as expensive.Cons-  HUGE. I know I listed this as a pro, but it can also be a con. If you need to hike with your bag, DO NOT get this.
This is a heavy duty bed similar to the bags my parents used for our family when I was a kid. They are very sturdy and extremely warm beds. I highly recommend them, especially for those who boat and camp during the winter months. I have 2 of them on cots in my 1965 OMC. They keep us warm and toasty in the low temperatures on the water overnight.
This bag is very well built, very warm on those cold night's andshould last my 6 year old Grandson a life time, wish itwere made in the USA
This sleeping bag is pretty nice. I took it out twice so far in 30 degree nights, and ended up getting a little hot. I had to unzip and stick a leg out.
Answer: yes