Crossrock Fiberglass Guitar Case for 12-Fret 00 Acoustic - TSA Lock

Our review of the Crossrock Fiberglass Guitar Case finds it best suited to owners of Martin 12-fret 00 style acoustics who need durable, travel-ready protection without excess bulk. The single biggest reason to buy is the hard-shell fiberglass construction combined with a fitted, high-density interior that keeps the instrument snug while offering travel-friendly features like a built-in alloy TSA lock and a hygrometer. This case balances sturdy protection and practical transport options for gigging players and frequent travelers.

Key Features

• Fiberglass shell: A rigid outer shell provides impact resistance and long-term durability for protecting an acoustic 00 body during transit.
• High-density interior padding: Super thick padding with a silk-like blue lining ensures a snug fit and cushions the instrument against shocks.
• Built-in TSA lock: The alloy TSA lock secures instruments and accessories while allowing authorized inspections without damaging the case.
• Hygrometer: Integrated humidity readout helps players monitor relative humidity to protect the guitar's wood and setup.
• Removable shoulder straps: Padded straps convert the case to a backpack style for hands-free carrying on the move.
• Instrument fit: Interior dimensions are tailored for Martin 12-fret 00 style acoustic guitars for a proper, protective fit.

Who It's For

The Crossrock case is ideal for players who own a Martin-style 12-fret 00 acoustic and need a rugged case for travel, commuting, or frequent gigs. It suits musicians who value a secure hard-shell exterior, humidity monitoring with the hygrometer, and the convenience of backpack-style straps for urban or festival transport.

Players with larger dreadnoughts, non-12-fret instruments, or those seeking very lightweight gig bags should look elsewhere, since this case is specifically shaped and sized for 12-fret 00 style acoustics and weighs about 3.5 kg which adds carrying weight compared with soft cases.

Pros & Cons

Pros

• Sturdy fiberglass construction gives strong protection against impacts and rough handling.
• Thick, silk-like blue interior padding holds the guitar securely and resists abrasion to the finish.
• Built-in alloy TSA lock and hygrometer add travel security and environmental awareness for the instrument.
• Removable padded straps allow backpack-style carrying for convenience on the go.

Cons

• Designed specifically for 12-fret 00 style acoustics so other body shapes may not fit properly.
• At roughly 3.5 kg, it is heavier than soft gig bags and adds noticeable weight to travel loads.

Specifications

Designed for	Martin 12-Fret 00 Style Acoustic Guitar
Overall length	101 cm (39.7 in)
Body length	50 cm (19.6 in)
Upper bout / Waist / Lower bout	25 cm / 22 cm / 35.5 cm (9.8 in / 8.6 in / 14 in)
All depth	14 cm (5.5 in)
Weight	3.5 kg (7.7 lb)
Included features	Alloy TSA lock, hygrometer, removable padded shoulder straps

Our Verdict

The Crossrock Fiberglass case is a practical, value-focused choice for owners of 12-fret 00 style acoustics who need robust protection and travel-ready features. Its hard-shell construction, fitted high-density interior, TSA lock and hygrometer make it a smart buy for gigging musicians and travelers, though the weight and specific sizing mean buyers should confirm measurements before purchase.

Frequently Asked Questions

Will my guitar fit?
Check the interior dimensions against your instrument; the case is shaped for Martin 12-fret 00 style acoustics and may not suit other body types.

Does it lock for air travel?
Yes, the built-in alloy TSA lock allows authorized inspections without damaging the case.

Can I carry it as a backpack?
Yes, removable padded shoulder straps convert the case to a backpack style for hands-free carrying.