Picture of FLEX™ 12ft Trampoline
WINTER SALE!
Picture of FLEX™ 12ft Trampoline
Picture of FLEX™ 12ft Trampoline
mum and daughter playing on jumpflex trampoline
Picture of FLEX™ 12ft Trampoline

FLEX™ 12ft Trampoline

4.9 out of 5 star rating
4.9 star rating1,219 reviews
WINTER SALE!

WINTER SALE!

WINTER SALE! Up to $800 off MEGA | $300 off HERO | $200 off FLEX + FREE PROJAM. Limited time only!
Cash App Pay
Free shipping

Free shipping*

Estimated Delivery

1–2 business day delivery

Warranty

5 year warranty

Looking for the best value trampoline? The FLEX™ 12 ft Trampoline delivers the ideal mix of quality, safety, and unbeatable value, making it the top choice for families starting their backyard bouncing adventure.

With a 12 ft diameter and a generously sized jumping mat, it fits comfortably in medium-sized yards. Its sturdy frame supports up to 330 lbs, offering peace of mind while kids bounce, laugh, and grow in confidence.

Built for everyday fun and designed to last, the FLEX™ is the best starter trampoline for families who want safe, active play without breaking the bank.

* Free shipping exclusions may apply. For more information, see the Shipping Policy

Real Reviews From Real Customers

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4.8 out of 5 star rating
4.8 star rating18,714 reviews
Terianne S. Verified BuyerFebruary 3, 2026
5.0 out of 5 star rating
1 reviews
This shipped so quickly which was great since it was replacing our 6 year old trampoline, and our kids still use it everyday. I was able to put it together mostly myself, and it is so much easier now ...
Ryan R. Verified BuyerFebruary 3, 2026
5.0 out of 5 star rating
1 reviews
You guys have been extremely helpful, VERY satisfied with our trampoline and the support we have received.
Grettel C. Verified BuyerFebruary 3, 2026
5.0 out of 5 star rating
1 reviews
The customer service has been exceptional.
David P. Verified BuyerFebruary 2, 2026
5.0 out of 5 star rating
1 reviews
Our kids got a trampoline for Christmas. They have been outside on it everyday in spite of the weather. It is great. Is easy to put together. We actually had it blow over and break - the jump flex t...
Christian R. Verified BuyerJanuary 31, 2026
5.0 out of 5 star rating
1 reviews
Awesome product. It’s my second purchase and it’s an amazing addition to the trampoline!!!
Keith B. Verified BuyerJanuary 27, 2026
5.0 out of 5 star rating
1 reviews
Excellent product. Directions twere very clear and it’s pretty easy to set up if there are two people. We let the kids help put it together too. Very good experience.
Bobbie C. Verified BuyerJanuary 26, 2026
5.0 out of 5 star rating
1 reviews
Excellent product! I’m 64 year old woman and put this together by myself. Only had help placing the stakes in the ground. My grandkids love it! For buyers; when your boxes arrive take a picture of the...
Janet M. Verified BuyerJanuary 25, 2026
5.0 out of 5 star rating
1 reviews
Very well built! My grandson loves it!!
Nicole O. Verified BuyerJanuary 25, 2026
5.0 out of 5 star rating
1 reviews
We are thrilled with this. Easy to put together with two people. Our family has loved it.
Edward R. Verified BuyerJanuary 23, 2026
5.0 out of 5 star rating
1 reviews
Easy to set up, sturdy, so far a huge hit!
Benjamin L. Verified BuyerJanuary 19, 2026
5.0 out of 5 star rating
1 reviews
This thing is heavy duty. Instructions have a typo in them. jumpflex confirmed. Don't get me wrong this is good stuff. My kids are enjoying it regularly
Genevieve R. Verified BuyerJanuary 18, 2026
5.0 out of 5 star rating
1 reviews
My grandsssud it works great, he lives it!

The perfect starter

The trampoline for a growing family

flex logo white

Our FLEX™ 12 ft trampoline has been built with young families in mind, delivering a great bouncing experience + full safety features + a great low price! Choose Jumpflex® and play for life!

jumpflex flex trampoline in garden
space between poles trampoline safety netting

More space between you and the poles

200% more clearance dramatically softens any pole contact

With our unique patented design, the poles curve away from the trampoline, so you can go crazy! Flip, spin, twirl and do all the stuff that makes bouncing so much fun, with less risk.

jumpflex anti-rust frame treatment video

Built to last

Protection from Mother Nature

As well as looking great in your backyard, Jumpflex™ 12 ft trampolines are designed to stand the test of time. Jumpflex™ metal components undergo a 6-layer rust-proofing and durability process.

All metal components are galvanized inside and out with a hard-wearing zinc coating. Visible sections are finished with a UV-resistant black powder coating. This ensures Jumpflex™ trampolines will remain a property feature you'll be proud of.

kids bouncing

330.8 lb total weight rating

Built for a growing family

Well-built trampolines equal bigger, smoother bouncing for your family. Good thing our new Jumpflex® FLEX™ 12 ft trampoline features our zero-bolt, zero-weld approach, that not only looks fantastic, but also improves frame strength and stability. This trampoline easily caters for a young family, handling up to a 330.8 lb load!

Total weight rating
330.8 lb
Max individual user weight
220 lb

Designed for safety

Built to last

We’ve made our 12 ft FLEX™ trampolines with safety in mind! Built to global safety certification standards: ASTM & CE, Jumpflex® trampolines are recognized as the ultimate in trampoline design.

360-degree protection

SafeSeal™ technology

360 degree trampoline safety net

Our 12 ft trampolines feature a 360-degree net safety enclosure to prevent the chance of accidents. Jumpflex® nets securely clip down to the jumping mat all the way around the trampoline. This unique SafeSeal™ system ensures that there is no possibility for kids to fall out of the trampoline enclosure accidentally.

trampoline safety net

A tight weave nylon safety net that’ll last

TightWeave™ technology

Our 12 ft trampolines are built to last, with nets made from 100% high-strength nylon and woven using the TightWeave™ system. A protective UV additive protects the nets against sun damage, allowing your new 12 ft trampoline to weather all seasons.

Grade 6 Intertek UV Testing
6
More durable than standard nets
250%
trampoline parts

World's first weld-free, bolt-free trampoline

Patented FrameFusion™ technology

Our 2024 model’s patented eco-friendly design has zero-bolts and no welds, meaning it takes half the assembly time of traditional trampolines.

FrameFusion™

T E C H N O L O G Y

Whatsmore, the way our engineers have designed the trampoline, means that less nasties are required in the manufacturing process, which makes our trampolines the most eco-friendly around, removing pollutants that can impact our trampoline builders and the environment.

5 Year Warranty

Play for life

Jumpflex® currently offers an awesome 5 year warranty on the FLEX™ frame, so years of carefree bouncing are guaranteed. We also have an excellent customer support team to assist you with any questions or concerns about your new 12 ft trampoline. So choose Jumpflex® and play for life!

jumpflex colorful balls

Dimensions / Specs

Image showing dimensions for the FLEX™ 12ft Trampoline
Yard space
13.5 ft diameter at widest point. 3.3 ft recommended free space around the trampoline.
Jumping mat diameter
10.5 ft
Number of springs
70
Spring length
5.5 in
Total weight rating
330 lb
Frame tube diameter
1.7 in
Floor to mat height
2.9 ft
Net height
6 ft
Total trampoline height
8.9 ft
Box dimensions
  • Box 1 - 57 lb
    L: 48 in, W: 15 in, H: 10 in
  • Box 2 - 56 lb
    L: 46 in, W: 13 in, H: 7 in
  • Box 3 - 52 lb
    L: 41 in, W: 18 in, H: 8 in

Bring The Fun With Accessories!

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PROJAM™

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$99.95
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JUMPSLIDE™

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SMARTSHADE™

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ANCHORKIT™ PRO

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ANCHORKIT™

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$39.95
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SCOOTER

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$129.95
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AQUAJET™

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FLEXBOARD™

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