Our best selling inflatable arena is now redesigned to offer a longer UV life span, prevent any escaping paintballs or reballs, and include our Professional Point Blank tested netting for spectator safety.

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Alpha Expandable Pro Arena - 125X150

Alpha Sports is largest supplier of inflatable arenas world wide. We are the leading supplier to the US Military, NAF Contracting, US Colleges, and Independent Field Owners. If you are looking for the one and only top selling Mega Arena, you have found it.

The Alpha Expandable Arena is not to be fooled with other "knock off" or cheap China import arenas. Our Alpha Arena is made with top US Quality PVC Coated, Fire Rated and UV Treated materials. Our best selling inflatable arena is now redesigned to offer a longer UV life span, prevent any escaping paintballs or reballs, and include our Professional Point Blank Tested Netting for spectator safety.

Expandable Arenas are measured at 15 foot height and can be added too at any time to increase the size. This is perfect for expanding your field to accommodate any size game and future business growth. All arenas include a fully enclosed entry point. Extra entry or exit points can be added along with chrono, ref, and staging points.

Why choose Alpha Sports Inc. for your business? We have over 17 years of actual experience in paintball field management and industry knowledge. We have consulted thousands of fields all over the USA alone. Don’t put your business in the hands of amateurs. Buy Once and Buy Right!

$28,000.00   Quantity   


The Alpha Expandable Paintball Arena offers you safety and durability where others cannot.

The Alpha Expandable Inflatable Pro Arena Offers You: 

  • The Only ASTM Tested Inflatable Arena Sold to Date!
  • Alpha Professional Grade Point Blank Tested Netting.
  • Full Fire Retardant Materials and Safety Sheet (NFPA 701 & ASTM E48)
  • 0.6mm 7oz PVC Coated Tarpaulin Material (Others Use 0.35mm 2oz)
  • High Volume Professional Series Blowers
  • Full 2 Year Warranty
  • Double The Life Span of Our Standard Arena

While there are a lot of "knock off" arenas out there you are not comparing apples to apples. Go ahead, ask the other guys for an ASTM safety sheet, or an actual US FR Certificate. Make the other guys guarantee they offer and test point blank netting that exceeds 320 fps. When you hear excuses, give us a call. We provide only the longest lasting and safest arenas made.


Alpha Sports allows you more options with your arena. Why? Because we custom make your arena to order. 

  • Fully Customized Inflatable Arenas Made To Order!
  • You Pick The Colors or Digital Camo
  • 2 Advertisment Panels Ensuring Your Business Info is Seen
  • Customized Windows, Doorways, Removable Panels, & More

Because we make all arenas to order, we are able to offer you more options than anyone else. Need a custom size? Alpha Sports has currently constructed the largest paintball arena ever built at 160X240 feet. This is over 38,000 sq ft of playing area!

Don't leave your arena in the hands of amateurs or cheesey China knock offs. Buy once and buy right with Alpha Sports!

Did You know that Alpha Sports has been custom making inflatable paintball arenas for over 13 years? We are the largest supplier to the US Military, US Colleges, and Independent Paintball Fields worldwide! This is an honor for us and we could not have made it this far without standing behind our products and our customers. 

Give us a call and see why the Alpha Mega Inflatable Paintball Arena just can't be beat.

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Need a custom size inflatable arena or arena field kit? No Problem. Give us a call and we will custom make your arena to fit any application. 888-729-1115 or Sales@paintballnetting.com