TPU material
	
Machine stitched
	
Latex inner tube with anti-over-inflation polyester net
	
Butyle valve
	
Top Transparent butyle proofing print
	
Recommended inflation pressure 0.7 bar
	
Ball weight in grams: size 4 (350-390)
	
Ball circumference in cm: Measure 4 (63.5-66 cm)