The Perfect Union
ServeSmart Correctional Meal Delivery
ServeSmart is JonesZylon's integrated correctional meal delivery system — purpose-built for prisons and jails where durability, safety, and long-term value are non-negotiable. SmartTrays and SmartCarts are engineered to work together as a complete prison food service solution: self-locking 5-compartment meal trays precision-sized to maximize capacity inside corrections-grade stainless steel delivery carts. Available in copolymer and MaxFlex materials, with heated or ambient cart configurations across seven sizes to match any facility's housing unit layout and meal volume. The result is a jail food delivery system that outperforms insulated tray programs on temperature consistency, tray replacement costs, and operational simplicity.
SmartTrays
Solid molded, self-locking 5-compartment meal trays designed specifically for correctional food service — engineered to protect food, stack stably, and hold up to the demands of daily institutional use.
SmartTrays self-lock when stacked, with the bottom of each tray acting as the lid for the one below — eliminating the need for individual lids on every tray. Only the top of each stack requires a lid. SmartTray XD offers extra depth to prevent food contact between stacked trays while accommodating larger portions — the tradeoff is slightly fewer trays per cart, so facilities may need a larger cart or additional units. SmartTrays are also available as a standalone compartment tray for facilities that need correctional food trays without the full ServeSmart cart system.
- 5 compartments with sealed separation
- Self-lock — stack in any orientation and height
- Bottom of one tray acts as lid for the next
- Underside headspace keeps food off tray bottoms
- Condiment & flatware compartments
- Available in copolymer or MaxFlex blend
- MaxFlex option provides added safety — less weaponizable for higher-security environments
- Stock colors: Brick, Brown, Royal & Teal
- Lids only needed for top of stack
Spec Sheets:
ServeSmart Meal Delivery Carts
Intelligently designed to pair perfectly with SmartTrays, ServeSmart carts are corrections-grade meal delivery carts built for institutional environments where durability and efficiency are non-negotiable. Available in heated or ambient configurations across seven sizes — from narrow-width units that fit tight doorways to extra-large carts for high-volume housing units.
- Heated or ambient configuration with swappable inserts
- Heavy-duty corrections-grade construction
- Durable stainless steel, easy to clean
- High-performance, upgradable casters
- Engineered fit with SmartTrays for maximum capacity
- UL and NSF certified
- 1-year parts and labor warranty

Features
- Fits 3 SmartTrays per layer and 18 high
- 21½" width fits most doorways
- Rear-mounted removable heating assembly
Dimensions
Height: 47.8" / Width: 21.5" / Depth: 38.25"
Electrical
JZA-54: No electrical system
JZH-54-RH: 120V / 1700W / 14.2AMP / NEMA 5-15

Features
- Fits 5 SmartTrays per layer and 18 high
- 30.75" width fits most doorways
- Rear-mounted removable heating assembly
Dimensions
Height: 47.3" / Width: 30.75" / Depth: 38.25"
Electrical
JZA-6UBT: No electrical system
JZH-6UBT-RH: 120V / 1700W / 14.2AMP / NEMA 5-15

Features
- Fits 8 SmartTrays per layer and 17 high
- Center casters for axis-turning
- Rear-mounted removable heating assembly
Dimensions
Height: 47.5" / Width: 54.88" / Depth: 31"
Electrical
JZA-136: No electrical system
JZH-136-RH: 120V / 1700W / 14.2AMP / NEMA 5-15

Features
- Fits 9 SmartTrays per layer and 18 high
- Center casters for maneuvering
- Side-mounted removable heating assembly
Dimensions
Height: 47.5" / Width: 62.9" / Depth: 31"
Electrical
JZA-168: No electrical system
JZH-168-RH: 120V / 1700W / 14.2AMP / NEMA 5-15

Features
- S/S mid-shelf for stability
- Bottom baffle heat distribution
- Side-mounted removable heating assembly
Dimensions
Standard:
Height: 64.5" / Width: 46" / Depth: 31.75"
Heavy Duty:
Height: 66.5" / Width: 46" / Depth: 32.75"
Electrical
JZA-198: No electrical system
JZH-198-RH: 120V / 1700W / 14.2AMP / NEMA 5-15
Capacity
168 SmartTrays
102 SmartTray XDs
JZA-198 Spec Sheet JZH-198-RH Spec Sheet JZA-198HD Spec Sheet JZH-198HD-RH Spec Sheet
Features
- Fits 10 SmartTrays per layer and 17 high
- Center casters for axis turning
- Side-mounted removable heating assembly
Dimensions
Height: 47.5" / Width: 62.9" / Depth: 32.5"
Electrical
JZA-168XL: No electrical system
JZH-168XL-RH: 120V / 1700W / 14.2AMP / NEMA 5-15

Features
- Fits 10 trays per layer and 19 high
- Center casters for axis turning
- Side-mounted removable heating assembly
Dimensions
Standard (JZA, JZH):
Height: 51" / Width: 62.9" / Depth: 32.5"
JZHR-192XL-RH:
Height: 66.25" / Width: 62.9" / Depth: 32.5"
Electrical
JZA-192XL: No electrical system
JZH-192XL-RH: 120V / 1700W / 14.2AMP / NEMA 5-15
JZHR-192XL-RH: 120V / 1800W / 15.0AMP / NEMA 5-20P
Capacity
190 SmartTrays
150 SmartTray XDs
JZA-192XL Spec Sheet JZH-192XL Spec Sheet JZHR-192XL Spec SheetSmartTrays vs. Insulated Trays: The Long-Term Cost Difference
Tray Replacement Costs
One of the most compelling reasons correctional facilities switch to the ServeSmart system is total cost of ownership. Insulated trays typically see a replacement rate of around 50% per year — a significant ongoing expense at any volume. SmartTrays, by contrast, are built for institutional durability with a conservative replacement rate of approximately 10% annually, and in practice many facilities see even lower. That difference compounds quickly across a large fleet.
Eliminating the Insulated Cart
The ServeSmart system also eliminates the need for an insulated cart altogether. Rather than buying both a heated or ambient cart and a set of insulated trays, facilities get a single integrated system where the cart and tray work together to maintain temperature and protect food during transport. Fewer carts are needed because SmartTrays stack more efficiently than bulky insulated trays, meaning you can move more meals per run.
The 3–5 Year View
For facilities evaluating both approaches, the numbers tend to favor ServeSmart significantly over a 3–5 year horizon. Use our cost savings calculator to run the numbers for your facility — or explore our full line of compartment trays for corrections if you're evaluating tray-only programs alongside the full ServeSmart system.
See ServeSmart in Action
A complete walkthrough of the ServeSmart system — SmartTray design, cart configurations, temperature performance, and long-term value. Worth watching if you're evaluating a switch from an insulated tray program.
Request a Quote on the ServeSmart System
Tell us your facility size, housing unit configuration, and current tray program and we'll help you find the right SmartTray and SmartCart combination — and put together a quote that shows the long-term value of switching to ServeSmart.