[Product Information]

• Bundle of fit ruck fitness rucksack that converts from heavy-duty backpack to Super sandbag weight training System with six handles
• You are Buying the strength package with two Hyperwear Sand Bell filler bags included of 8 lb. and 12 lb. for a total of 20 lbs.
• Expandable to maximum weight capacity of 60 lbs. by adding sand bells or steel bells (sold separately)
• Use for rucking， as an ultimate single heavy multi-handled sandbag trainer， and Remove sand bells， steel bells and other equipment for endless functional exercise
• Note: this package is sold with empty sand bells that you fill with in expensive dry multi-purpose sand easily found at home improvement stores