Stainless Steel Voyager 550
€22.99
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The finest food-grade steel, engineered to replace plastic for good — because what holds your drink matters as much as what is inside it. Tecoverby Voyager 550 is built from SUS316L stainless steel, the same grade trusted in surgical and medical environments, free from BPA, lead and plastic contact at every level. Double-wall vacuum insulation keeps drinks hot or cold for over 24 hours, while the portable handle grip, anti-slip ring and secure lid make it effortless to carry it anywhere.
Key benefits:
- Plastic-free hydration. SUS316L steel and a fully plastic-contact-free interior mean nothing leaches into your drink - ever. A permanent, considered replacement for disposable bottles.
- Surgical-grade steel construction. The same SUS316L grade used in medical environments lines the interior, delivering unmatched purity, corrosion resistance and true taste neutrality.
- 24-hour thermal retention. Double-wall vacuum insulation maintains your drink's temperature for over 24 hours, hot or cold, in any environment.
- Hydration and daily wellness. Keeping your drink at the right temperature encourages consistent hydration, supporting energy, focus and overall wellbeing.
- Ergonomic carry design. A portable handle grip and anti-slip ring ensure a secure, comfortable hold whether commuting, hiking or moving between meetings.
Quantity
Technical Information
- Volume: 550ml
- Dimensions: 83 × 72 × 152mm
- Weight: 0.5kg
- Inner material: SUS316L stainless steel
- Outer material: SUS304 stainless steel
- Insulation type: Double-wall vacuum
- Thermal performance: Over 24 hours hot or cold
- Bottle type: Vacuum flask
- Applicable temperature: Boiling water compatible
- Shape: Handgrip with portable handle
- Anti-slip ring: Yes
- Colour options: Custom available
What's Included
- 1x Stainless Steel Voyager 550
- 1x flask Secure lid
- 1x Drinking straw
Circadian Rhythm Control
Lenses shift the spectral mix reaching the retina, cutting high‑energy wavelengths that drive alertness. This reduces physiological signals that delay sleep and lowers visual contrast and glare that cause digital eye strain. The red lens strongly filters blue and adjacent green light for maximal evening circadian protection—wear before bed to ease wind‑down and speed sleep onset; not suitable for driving or tasks needing accurate color.
The Recoverby comfort (yellow) lens provides a milder blue‑light reduction for everyday use, softening LED/display glare and reducing eye strain while preserving natural color and brightness. It’s ideal for work, commuting, daytime driving, and long screen sessions.
NIGHT-TIME BIOLOGICAL RESET
After dark, artificial blue and nearby green light keeps the brain in daytime mode, delaying melatonin, increasing evening arousal, slowing wind‑down, and fragmenting sleep when exposure is repeated. Recoverby Plus (red) lenses block these alerting bands at the retinal level while passing warm wavelengths for safe orientation; wear before bed to lower retinal stimulation, support earlier melatonin onset, reduce cortical arousal, and promote parasympathetic recovery. Not for driving or color‑critical tasks.
Recoverby Comfort (yellow) lenses offer moderate blue‑light reduction to soften glare and cumulative stimulation without noticeable color distortion, preserving visual clarity for all‑day activities and daytime driving while reducing late‑day alerting. Both lenses are lab‑verified, provide full UV protection, and fit frames that limit peripheral light ingress for consistent performance.
Light Exposure: Impact on Sleep & Recovery
Artificial light after dark tricks the brain into thinking it’s still daytime: blue and nearby green wavelengths stimulate retinal sensors that signal the central clock, suppress melatonin, raise arousal, delay sleep, fragment restorative stages, and over time impair recovery, memory consolidation, and metabolic balance.
Recoverby red lenses aggressively filter those alerting bands while passing warm tones to encourage earlier melatonin release, lower cortical arousal, and faster, more stable sleep onset (not for driving or color‑critical tasks). The yellow/amber option offers gentler reduction of high‑energy light to cut screen glare and evening buildup while preserving color and visibility for daytime use. Both are lab‑verified, provide UV protection, and are designed to limit peripheral light leakage for consistent real‑world performance.
Choose Your Melatonin
