PhazePak (PCM)
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Heat Pack
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Confidence in Every Shipment
Advanced PCM gel packs that protect your product from pickup to delivery.
Sell Our Products
Your Industry. Our Temperature Control.
Discover how PhazeLock supports your industry with proven hot/cold solutions.
For Live Shipments
Happy Plants Travel
Fresh Stays Fresh
For Sensitive Meds
How PhazeLock Keeps Shipments On-Temperature
Our phase-change packs hold a target temp—absorbing or releasing heat as needed—so boxes stay in the safe range from pickup to delivery. Learn which pack to use by season, route, and transit time.
Join the PhazeLock Wholesale Program
Get bulk pricing, faster fulfillment, and tools built for repeat ordering—so you can keep every shipment on-temperature and on schedule.
Our Most Popular Products
Shipper-approved bestsellers for reliable hot/cold control—ready to ship fast.
UniHeat 40 Hour Shipping Warmer
Price range: $11.00 through $157.50 Select options
UniHeat 120 Hour Shipping Warmer
Price range: $24.00 through $134.50 Select options
UniHeat 96 Hour Shipping Warmer
Price range: $12.00 through $414.57 Select options
UniHeat 60 Hour Shipping Warmer
Price range: $17.58 through $132.53 Select options
UniHeat 30 Hour Shipping Warmer
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UniHeat 48 Hour Shipping Warmer
Price range: $13.00 through $132.00 Select options
PhazeLock 23 Gel PhazePak
Price range: $6.00 through $402.00 Select options
UniHeat 72 Hour Shipping Warmer
Price range: $18.00 through $136.71 Select options
On-Temperature. On-Time.
Testimonials from businesses that ship sensitive goods—safely and confidently—with PhazeLock.
PhazeLock cut our excursion rates and simplified pack-outs. It’s the first solution my team actually asks for.
Operations Director
Reliable temps and fast turnaround. We ship coast-to-coast without scrambling for last-minute fixes.
Nursery Shipping Manager
From spring heat to winter snaps, PhazeLock keeps our live plants stable—and our customers happy.
Owner
Our reptiles and fish arrive on-temperature and on time. Wholesale pricing and repeat ordering are seamless.
Audrey StevensonLogistics Manager