| Specification Category | Technical Detail |
| Brand | Yasuda |
| Model Number | LB3S SLEEK |
| Product Net Weight | 1 kg |
| Total Container Count | 3 Individual Interlocking Vessels |
| Single Container Volume | 300 ml Capacity Each |
| Chassis Component Materials | Food-Grade Stainless Steel Container & Plastic/Stainless Steel Outer Shell |
| Thermal Insulation Type | Insulated Thermal Core for Hot or Cold Retention |
| Containment Sealing Logic | Unique Airtight and Spill-Proof Vacuum Lids |
| Portability Hardware | Integrated Carry Belt / Top Handle Alignment |
| Chassis Mechanical Durability | Sturdy, Impact-Resistant and Virtually Unbreakable Construction |
| Appliance Classification | Insulated Multi-Container Thermal Lunch Box / Tiffin Carrier |
| Primary Application Fields | Office Lunches, School Meals, College Food Travel, Outdoor Picnic Storage |
Premium 3-Tier Food Isolation Assembly: Engineered by Yasuda with 3 separate 300ml food-grade stainless steel inner canisters designed to isolate individual dishes while keeping original flavor profiles intact.
Thermal Isolation Protection Shield: Injected with an advanced temperature containment layer to stabilize internal hot or cold environmental parameters, preserving meals for long hours.
Airtight & Leak-Proof Vacuum Lids: Outfitted with unique structural lid seals that clamp securely onto each container basin, trapping volatile food vapors while preventing unexpected liquid spills during travel.
Durable Hybrid Unbreakable Framework: Built with an upgraded plastic and stainless steel outer shell profile that safeguards the unit from drops, accidental impacts, and rigorous daily structural wear.
Ergonomic Carrying Strap & Handle: Features a integrated soft-touch transport belt and handle assembly calibrated for secure single-hand portability, making it ideal for school, college, and office transit.