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With small and medium size comparison chart

 

Specifications: 48CM

 

Pressure: inflatable pressure up 8psi

 

Structure: light original plastic， pull-cylinder (deflated inflatable; inflatable pull back and forth)

 

Single: 1.36KG (4 pcs / box， 3.0KG / box)

 

Uses: Large inflatable inflatable boat (inflatable gas nozzle and needle can be used inflatable sports balls)