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More from ProtoArc →SC Butterfly XL Ergonomic Seat Cushion
$49.99$59.99Save 17%
In stock at protoarc.com
The ProtoArc SC Butterfly XL is a 20 x 16.9 x 4.3-inch memory foam seat cushion with a split shape that relieves tailbone pressure. It uses dense, bamboo charcoal-infused foam, a non-slip bottom, a carry handle, and comes with an extra cover. At $49.99 it suits larger users and long sitting sessions.
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Highlights
- 20 x 16.9 x 4.3 in extra-large size
- Split design to free space around the tailbone
- Firm, bamboo charcoal-infused memory foam
- Non-slip bottom and carry handle
- Removable cover plus extra cover included
Best for
Users over 200 lbs or anyone who finds standard cushions too small.
Things to consider
- Firm feel may take 1 to 2 weeks to adjust to.
- Adds 4.3 inches of seat height.
- Let it expand 1 to 2 hours after unboxing.
Key specs
| Price | $49.99 |
|---|---|
| Size | 20 x 16.9 x 4.3 in |
| Foam | Memory foam, bamboo charcoal |
| Cover | Removable, extra included |
| Colors | Black, Dark Gray, Green |
Our take
A roomy, firm cushion with a useful spare cover.
SC Butterfly XL Ergonomic Seat Cushion at a glance
| Brand | ProtoArc |
|---|---|
| Price | $49.99 (was $59.99) |
| Type | Seat Cushions |
| Options | 3 colors |
| Availability | In stock at protoarc.com |
| Coupon | GFPALEKSANDRBODNAR |
| Returns | Returns within 30 days of delivery get a full refund including original shipping and… |
Price check
At $49.99, the SC Butterfly XL Ergonomic Seat Cushion is mid-range for ProtoArc, whose 110 listed products run $9.90 to $292.95.
It's currently 17% below its listed price of $59.99. Sale prices can end without notice, so check the live price before you order.
Similar items from other brands we track run $16.95 to $69.99.
Frequently asked questions
Is the Butterfly XL good for heavier users?
ProtoArc designs it for users who find standard cushions too narrow, including people over 200 lbs.
Can I wash the cover?
The cover is removable and an extra cover is included.
Is the SC Butterfly XL Ergonomic Seat Cushion on sale?
Yes. ProtoArc lists it at $49.99, down from $59.99 (17% off). Sale prices change, so confirm the live price on protoarc.com.
Is there a coupon code for the SC Butterfly XL Ergonomic Seat Cushion?
ProtoArc's store-wide code GFPALEKSANDRBODNAR can be entered at checkout on protoarc.com. ProtoArc sets the discount, and some items or sale prices may be excluded.
What is ProtoArc's return policy?
Returns within 30 days of delivery get a full refund including original shipping and handling fees. ProtoArc provides a prepaid label for defective or incorrect items; change-of-mind returns ship at the customer's cost, and an RMA number is required.
How long does ProtoArc take to ship?
Continental US orders ship free over $19.99 with an estimated 3 to 5 business days. Canada is quoted at 5 to 7 business days, and the UK, Germany and select EU countries pay rates calculated at checkout.
Does the SC Butterfly XL Ergonomic Seat Cushion come with a warranty?
ProtoArc's published warranty terms: Keyboards, mice and other accessories carry a 2-year warranty from delivery, and furniture carries 3 years, with select premium chairs eligible for 5 to 10 years. Claims go to support@protoarc.com with your order ID and photos or video.
What options does the SC Butterfly XL Ergonomic Seat Cushion come in?
Color: Black, Dark Gray, Green.
Where can I buy the SC Butterfly XL Ergonomic Seat Cushion?
The SC Butterfly XL Ergonomic Seat Cushion is sold directly by ProtoArc on protoarc.com. The Shop now button on this page goes straight to the product there, and code GFPALEKSANDRBODNAR can be applied at checkout.
Is the SC Butterfly XL Ergonomic Seat Cushion in stock?
Yes. ProtoArc lists it as in stock on protoarc.com as of our latest check. Stock and prices refresh throughout the day.
Is ProtoArc a legit store?
ProtoArc is a smart pick for desk workers who want ergonomic keyboards, mice or a mesh chair without paying premium-brand prices, and its 2-year accessory warranty and free US shipping over $19.99 lower the risk. Skip it if you need a deeply customizable mechanical keyboard or ship to Hawaii, Alaska or an APO address, where service is restricted. Check which layout and OS a keyboard is built for (several models are Mac-specific or UK layout) before you order. Our full ProtoArc review covers shipping, returns and what to check before ordering.
Is the SC Butterfly XL Ergonomic Seat Cushion expensive?
At $49.99 it is mid-range for ProtoArc ($9.90 to $292.95 across 110 products), and similar items from other brands run $16.95 to $69.99.
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