--- product_id: 23962331 title: "Bentoheaven Bento Box Adult, Stackable Lunch Box, 40 oz, Symph Onyx" brand: "bentoheaven" price: "¥10854" currency: JPY in_stock: true category: "Bentoheaven" url: https://www.desertcart.jp/products/23962331-bentoheaven-bento-box-adult-stackable-lunch-box-40-oz-symph store_origin: JP region: Japan --- # 2-tier 40 oz stackable design Leakproof silicone-sealed lid BPA-free, microwave & dishwasher safe Bentoheaven Bento Box Adult, Stackable Lunch Box, 40 oz, Symph Onyx **Brand:** bentoheaven **Price:** ¥10854 **Availability:** ✅ In Stock ## Summary > 🍱 Elevate your lunch game with Bentoheaven—where style meets savvy! ## Quick Answers - **What is this?** Bentoheaven Bento Box Adult, Stackable Lunch Box, 40 oz, Symph Onyx by bentoheaven - **How much does it cost?** ¥10854 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/23962331-bentoheaven-bento-box-adult-stackable-lunch-box-40-oz-symph) ## Best For - bentoheaven enthusiasts ## Why This Product - Trusted bentoheaven brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact power lunch, no bulk:** Sleek 7.3×3.9×4.1 inch footprint fits easily in your bag without compromising portion control. - • **Ready for your busy lifestyle:** Microwave-safe (lid off) and dishwasher-safe top rack for effortless reheating and cleanup. - • **Seal in freshness, not spills:** Silicone-sealed lid with air-vent plug locks in sauces and dressings—no more soggy surprises. - • **More than a lunchbox—it's a movement:** Includes reusable utensils, chopsticks, sealing strap, and a 30-recipe e-book; every purchase supports Feeding America. - • **Double the compartments, double the style:** Two stackable 20 oz tiers keep mains and sides perfectly separated for a balanced adult lunch. ## Overview The Bentoheaven Bento Box Adult in Symph Onyx features a Japanese-inspired 2-tier stackable design with a total 40 oz capacity, perfect for portion-controlled meals. Its leakproof silicone-sealed lid with an air-vent plug secures sauces and dressings, while BPA-free, microwave- and dishwasher-safe materials ensure convenience and safety. Complete with reusable utensils, a sealing strap, and a 30-recipe e-book, this lunchbox supports sustainable eating and social impact through Feeding America. ## Description Shop Bentoheaven at the desertcart Storage & Organization store. Free Shipping on eligible items. Everyday low prices, save up to 50%. ## Features - ADULT BENTO BOX WITH JAPANESE-STYLE 2-TIER DESIGN: Two stackable 20 oz containers (40 oz total) with a removable divider and a dip cup pack a full adult lunch, mains, sides and sauces, without mixing. The wood-grain lid looks sharp on any desk. - LEAKPROOF WHEN PROPERLY SEALED, BUILT FOR SAUCY MEALS: A silicone-sealed lid with a built-in air-vent plug holds dressings, yogurt and saucy dishes. Lift the plug to open easily; press it down firmly until it seats to lock the seal. For very liquid foods, keep upright. - COMPACT, PORTION-SIZED FOR ADULT LUNCHES: Built for a satisfying, balanced meal rather than oversized portions; check the 7.3 × 3.9 × 4.1 in / 40 oz dimensions before buying. - MICROWAVE & DISHWASHER SAFE, LAB-TESTED BPA-FREE: Food-grade, lab-tested BPA-free materials; microwave-safe with the lid off, dishwasher-safe on the top rack. - COMPLETE UTENSIL SET + 30-RECIPE E-BOOK, WITH PURPOSE: A full set of reusable utensils (fork, spoon, knife, chopsticks), a sealing strap, and a 30-recipe e-book. Every purchase helps support Feeding America. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B017QBK7ZI | | Best Sellers Rank | #7,975 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #54 in Bento Boxes #69 in Lunch Boxes | | Brand | Bentoheaven | | Brand Name | Bentoheaven | | Capacity | 40 fluid ounces | | Closure Type | Snap | | Color | Symph-Onyx | | Container Shape | Rectangular | | Customer Reviews | 4.5 out of 5 stars 12,595 Reviews | | Included Components | 1 Divider, 1 Sauce cup, 2 Compartments (2x 20oz), Full set of cutlery and chopsticks, Top lid & elastic band | | Item Dimensions L x W x H | 4.5"L x 4.3"W x 7.5"H | | Item Form | Rectangular | | Item Type Name | Bento Box | | Item Volume | 40 fluid ounces | | Item Weight | 14.4 ounces | | Manufacturer | Bentoheaven | | Manufacturer Warranty Description | Money back guarantee within 30 days of purchase, no questions asked. | | Material | Polypropylene | | Material Feature | BPA Free, Dishwasher Safe, Freezer Safe, Microwave safe | | Material Features | BPA Free, Dishwasher Safe, Freezer Safe, Microwave safe | | Material Type | Polypropylene | | Material Type Free | BPA Free | | Other Special Features of the Product | Divider to separate food, Full set of cutlery and chopsticks, Microwave safe compartments, Sauce cup | | Package Quantity | 1 | | Product Care Instructions | Microwave Safe | | Product Dimensions | 4.5"L x 4.3"W x 7.5"H | | Recommended Uses For Product | School | | Size | 40 oz / 1200 ml | | UPC | 717109270011 | | Unit Count | 1 Count | ## Product Details - **Brand:** Bentoheaven - **Capacity:** 40 fluid ounces - **Color:** Symph-Onyx - **Material:** Polypropylene - **Material Feature:** BPA Free, Dishwasher Safe, Freezer Safe, Microwave safe ## Images ![Bentoheaven Bento Box Adult, Stackable Lunch Box, 40 oz, Symph Onyx - Image 1](https://m.media-amazon.com/images/I/81gAderHHmL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Are the lids leak-proof?** A: The lids are highly leak-resistant with silicone seals to prevent spills. However, for very liquid-heavy foods, we recommend keeping the box upright for added security. **Q: Can the compartments hold larger meals like sandwiches?** A: The compartments are ideal for standard meals but may be too shallow for oversized sandwiches. For larger items, consider slicing them to fit comfortably. **Q: Is the bento box suitable for portion control?** A: Yes, the bento box is designed for portion control, making it perfect for balanced meals. Its compact compartments help manage food portions effectively. **Q: How durable are the materials used in the bento box?** A: The bento box is made of high-quality, BPA-free materials, ensuring durability for daily use. It is dishwasher-safe and designed to last. **Q: Does the box come with utensils, and are they practical?** A: Yes, the box includes reusable utensils (fork, spoon, knife, and chopsticks) in a dedicated compartment. They are sturdy, easy to clean, and perfect for on-the-go meals. ## Frequently Bought Together - Bentoheaven Premium Bento Box Adult Lunch Box with Compartments for Women & Men, Set of Utensil & Chopsticks & Dip Container, Cute Japanese Kids Bento Lunch Box, Microwavable (Symph Onyx) - Bentoheaven Insulated Lunch Tote for Work - Durable Materials, Variable Strap/Handle, Wide Opening - Cooler Lunch Bag for Women & Men - Fits all major Bento Lunch Boxes and Other Containers (Gray) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/23962331-bentoheaven-bento-box-adult-stackable-lunch-box-40-oz-symph](https://www.desertcart.jp/products/23962331-bentoheaven-bento-box-adult-stackable-lunch-box-40-oz-symph) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-23*