Corrugated:

10*10*10cm

15*15*15cm

Positive 20*20*20cm

Positive 25*25*25cm

Positive 30*30*30cm

35*35*35cm

40*40*40cm

Is 45*45*45cm

50*50*50cm

55*55*55cm

40*40*20cm

50*40*40cm

60*40*50cm

70*50*50cm

80*50*60cm

Material hardness grade:

Three-layer extra hard

Five-layer extra hard