Spec sheets answer what a ball is. They rarely answer why it costs what it costs, or which test it has to survive before it clears customs. That is what this section is for.
Notes from the moulding floor and the freight desk, written for buyers who have to sign off on a PO. PVC versus TPU wall thickness, why a size 3 futsal ball weighs less than a size 3 grass ball, how a 500-piece order turns into a 1,200-piece run once the logo goes to six colours. No filler, no vendor brochure language.
The size ladder nobody explains: soccer ball sizes by age, 3, 4 and 5
Soccer ball sizes by age with real numbers: size 3 at 580-600 mm and 280-310 g, size 4 at 640-660 mm, size 5 at 680-700 mm. What the label hides.
Why a thermal bonded soccer ball costs 18% more and saves you a second order
A thermal bonded soccer ball costs 18% more than a stitched 4.0 mm PU ball on a 3,000 piece order. Where the money goes, and when it is wasted.
The 110 gram decision: 1.6 mm or 2.7 mm PVC on a school soccer ball
A 1.6 mm and a 2.7 mm PVC soccer ball can share the same 680-700 mm circumference and still behave like two different products. Here is the 110 gram gap.