* Even wall thickness for maximum strength and durability
* Molded-in ribs for strength and abrasion resistance
* Reinforced ropeholds

[색상]
G-4W: 백색
G-4B: 청색

[규격]: (적정 공기 주입시)
직경: 16.5cm
길이: 56cm
구멍: 1.91cm dia