FatSac W707-GRAY Original Ballast Bag 750 lbs Gray 50x20x20

The FatSac W707-GRAY Original Ballast Bag is the most popular wakeboard and wakesurf ballast bag on the market, delivering a full 750 lbs of ballast weight in a versatile 50" x 20" x 20" form factor designed to fit nearly any boat layout. Whether you're chasing a bigger surf wake or a more aggressive wakeboard wake, this bag is the proven solution trusted by riders and boat manufacturers alike.

Constructed in Milwaukee, USA, each W707 is built from proprietary Valmex layered vinyl material — the same type of material used in river rafts — making punctures and abrasions virtually a thing of the past. Double-welded seams with seam tape provide maximum strength and leak resistance, ensuring long-term durability even under continuous use.

Key Features:

• 750 lbs ballast capacity — the ideal balance of volume and weight for most boats
• Dimensions: 50" x 20" x 20"
• Durable Valmex material construction — puncture and abrasion resistant
• Double-welded seams with seam tape for added strength
• 4 port holes (including extra 4th valve at the bottom end)
• Includes all fittings required for use with the FatSac Supa Pump S7090 V3 and previous Supa Pump versions: 2x W731 plugs, 1x W749 air release, 1x W730 pump connector
• Compatible with automatic fill/empty systems via quick connect fittings (W743-SS or W736-SS, sold separately)
• Gray — the standard color option; additional colors available
• Durable enough to sit, stand, and walk across when fully loaded
• Made in the USA

The W707's dimensions hit the sweet spot for wake ballast — large enough to dramatically increase wake size, yet versatile enough to fit locker compartments, open bow areas, floor positions, and more. The included fitting package means you can get started right away with any compatible Supa Pump (sold separately), and switching to an automatic ballast system requires only a quick fitting swap.