Question 1

If this comes inflated, then how much is the Shipping Weight?

Accepted Answer

A regulation size 5 soccer ball have a circumference of about 0.69m. Divide by 2pi to get a radius of 0.11m. This means the volume, 4/3*pi*r^3, is about 0.0056m^3. Dry air at sea level (101Pa) and a comfortable temperature (20C) have a density of about 1.2kg/m^3. (Humidity would actually decrease the density of air, but we'll try to keep it simple). When the ball is inflated to sea level, the mass of the air inside the ball is thus 0.0067kg (about 10% of the mass of a jumbo egg). The FIFA rules require a pressure between 61kPa and 111kPa, where dry air have a density of around 2.5kg/m^3. This gives an answer of about 14 grams, or about the mass of two human eyeballs. Since the question mentioned shipping weight, it seems as though most carriers nowadays use dimensional weight to make it profitable to for them to ship light items. The lowest example of a dimensional weight shipping factor on wikipedia is 200kg/m^3, well above the density of the air inside a regulation inflated soccer ball. Thus, we can conclude that the shipping cost is most likely the same for a soccer ball with regulation pressure as one with just enough air to remain spherical-ish. One can however save a lot of money on shipping soccer balls fully deflated as you can fit many more of them in a fixed volume. I do suspect one would need to reduce the price in that case to remain competitive, probably more than the extra cost of shipping.

Question 2

I want this ball for my 7 Months Bully girl, would it be good for her. she loves football!

Accepted Answer

It is an excellent ball for a 3-4 year old, but I believe it is too HARD for a 7 month old. It is as hard as a basketball. I see lots of bumped nose and crying. However, you know your child best. But if it were me, I would be a smaller softer ball until the child is older.

Question 3

What is a standard soccer ball size? 3,4 or 5?

Accepted Answer

I got size 4 for my 9yr old. but size 5 is for 12 and up.

Question 4

How large are the white spaces? I want to be able to write questions in them.

Accepted Answer

I don’t recall the dimensions but if the questions are brief and you use medium tip pen it should fit. Nice idea to write in the white spaces. I’ll put team players names them for year end party😃⚽️😃

ASIN	B001C3O8O8
Age Range Description	All Ages
Best Sellers Rank	#4,364 in Sporting Goods ( See Top 100 in Sporting Goods ) #25 in Recreational Footballs
Brand Name	Wilson
Color	White, Black
Construction Type	machine-sewn
Country of Publication	China
Customer Reviews	4.6 4.6 out of 5 stars (19,186)
Global Trade Identification Number	00026388226436
Included Components	Soccer ball
Item Type Name	Soccer Ball
Item Weight	0.32 Grams
League Name	NFL
Manufacturer	Wilson
Manufacturer Part Number	49244
Material Type	Synthetic leather and butyl rubber
Model Number	49244
Number of Items	1
Recommended Uses For Product	Playing soccer
Size	Size 3
Sport Type	Soccer
Stitching Type	machine-sewn
UPC	026388226436
Unit Count	1 Count
Warranty Description	No

WILSON Traditional Soccer Balls

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