Dual-Layer Volume-Optimized Architecture : The 750ml + 400ml split is deliberately asymmetric — the deep base bowl is sized for a full school portion of rice, pasta, or stew, while the upper 3-grid tray provides organized side dish storage without reducing the main course capacity. Both layers separate completely for independent washing.
Bonus Color-Matched Sauce Cup : Unlike the Explorer and Monster Battle series, this model includes a dedicated round sauce cup with lid — filling the gap for children who bring dips, sauces, or single-serving condiments. The color-matched cap integrates visually with the overall product system.
T-Shape Rotary Vent Valve : The T-shaped vent knob provides a larger, more intuitive grip surface than standard round vent buttons — easier for younger children to operate and more satisfying to engage. The color-matched finish maintains aesthetic consistency across the full lid surface.
Integrated Side Cutlery Slot : The fork and spoon slide vertically into dedicated channels on both sides of the box body — no separate cutlery case needed, no loose items rattling in the bag. The slot geometry holds both utensils securely upright during transport.
Vehicle Adventure Theme Universe : "START WORK" covers the construction vehicle enthusiast market — excavators, dump trucks, cement mixers, road signs — while "PYRAMID ADVENTURE" covers the road trip and safari market with a bear-in-jeep desert narrative. Two distinct vehicle sub-cultures within one product family.
XJRJ Series Standardized Engineering : The silicone full-perimeter seal, microwave certification, and branded "LUNCH BOX" label are consistent across all three XJRJ bento models — allowing B2B buyers to stock the full Monster Battle / Explorer / Happy Car lineup as a coherent branded family with consistent safety and functional credentials.
Q: How does this differ from the Monster Battle dual-layer bento?
A: The Happy Car series has a larger base bowl (750ml vs 750ml comparable) with a different grid tray configuration (400ml 3-grid vs 400ml dual-zone), and adds an exclusive round sauce cup with lid not present in the Monster Battle series. The vehicle themes also target a different psychographic than the battle-action themes.
Q: Can all three colors be mixed in a single order?
A: Yes. Yellow "START WORK", Green "PYRAMID ADVENTURE", and Purple "PYRAMID ADVENTURE" can all be mixed within a single MOQ.
Q: Does the sauce cup fit inside the 3-grid tray during transport?
A: The round sauce cup is designed to sit within one of the grid zones of the upper tray — contained and secure during transport without requiring a separate storage location.
Parameter
| ITEM NO | HX0066539 |
| SIZE | 21.80*12.80*8.40CM |
| Carton size | 66.00*52.00*46.00CM,0.158CBM/CTN |
| Parking | 60PCS/CTN, |
| COLOR | YELLOW,BLUE,PURPLE |
Feature