19 inches is the average size of a regular backpack
The average price of a household backpack vacuum is $250. Many things determine the price of a backpack vacuum including hepa rating and the number of attachments. Industrial backpack vacuums are much more expensive.
The average cost of a backpack blower is around 200$-300$. One can buy backpack blower from leading online retails like Amazon, Walmart, Sears and eBay.
They are roughly the same size as a normal school backpack. However, they can be a bit smaller as well. Also, they can be comparable to a hiking backpack.
as a senior, mine is about 25 pounds.
The cost of a backpack in Mexico will vary depending on a number of factors like the brand, type of bag, material used and much more. An average backpack will cost about $40.
Depends on the size of the books.
As in physically, it depends on the size of the dog and the size of the rucksack. As in legally, I'm not sure but as long as it can breathe and stuff I should see no reason why not
Yes, you can take a backpack on a plane as carry-on luggage as long as it still fits the size and weight restrictions for carry-on baggage.
The average size of a person is there is no average size we are all different;)
they are about the same. it really depends on the type of backpack or parachute backpack you are talking about.
the average size for a menu is A4 size.