Specifications:

30*50 medium density buoyancy 30KG

30*100 density buoyancy 50KG

40*60 medium density buoyancy 50KG

40*60 high density buoyancy 60KG

50*80 medium density buoyancy 120KG

50*80 high density buoyancy 130KG

40*100 high density buoyancy 115KG

Color:

Medium hole 3cm

Middle hole 5cm

Medium hole 8cm