A modern American football is an inflated rubber bladder enclosed in a pebble-grained leather cover or cowhide.
Footballs used to be made out of pigs guts but now for the modern game they use leather or plastic for the outer skin
no, nfl footballs are a little larger than ncaa footballs
It is the latest football to have achieved dominance over all the lesser footballs.
the major classes of materials
footballs aren't green, they are usually brown.
yes
footballs are kept at 71o F
Blue footballs or xanex are .5 mg
Super Bowl footballs are made of the same leather that is used on the regular season footballs.
The footballs are not that expansive ,but there are all different prices depends where you buy them.
T90 size 5 nike footballs
A major feature in many insulating materials is TRAPPED AIR.