Custom Lunch Box Factory: Material & Performance Insights | Bioleader® Insights

Yes — custom lunch box factory. Bioleader® 1200ml paper salad bowls with lids are suitable for salads, rice bowls, cold meals, takeaway meals, and prepared food programs. The food-grade paperboard structure, coated surface, rolled rim, and matching lid options help improve stacking, handling, and transport performance.

Item Product Name Paper Weight Product Size (Top*Bottom*High) Pcs/ CTN Carton Size (cm) PE-SK500 500ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 130 x 112 x 47 300 40 27.5 45 PE-SK650 650ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 130 x 110 x 60 300 40 27.5 46.5 Lid Options PP Lid 8g 130 x 130 300 30 28 41.5 PET Lid 9g 130 x 130 300 33 28 41.5 PE-SK750 750ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 170 x 148 x 44 300 52 35 57 PE-SK1000 1000ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 170 x 146 x 56 300 52 35 57 PE-SK1200 1200ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 170 x 145 x 66 300 52 35 58 PE-SK1400 1400ml Square Bowl Kraft Paper 337gsm / White paper 320gsm 170 x 143 x 75 300 52 35 58 Lid Options PP Lid 12g 170 x 170 300 55 37 34 PET Lid 16g 170 x 170 300 55 37 34 Film Coated Options PE(single) Single 18gsm PE (100% recyclable, this is the normal choice type) PE(double) Double 18gsm PE (available for ice, cold, and freezer) PLA Single 31gsm PLA (100% biodegradable & compostable) Lid Options for Paper, PP and PET For 1200–1400ml square paper salad bowls, PP lids are practical for takeaway, stacking, and transport stability when large salads, rice bowls, noodles, pasta, and cold meals need secure handling. PET lids improve product visibility for retail display, supermarket ready meals, deli counters, and grab-and-go meal bowls. The 170mm lid system fits 750ml, 1000ml, 1200ml, and 1400ml square bowls, while the smaller 130mm lids fit the 500ml and 650ml range , custom lunch box factory. Bioleader® can match lid type by rim diameter, packing plan, artwork needs, and destination market requirements.

Yes. Bioleader® 500ml rectangular paper salad bowls with lids are suitable for salads, rice bowls, cold meals, hot food, light takeaway meals, and prepared food programs — custom lunch box factory. The food-grade paperboard structure, coated surface, rectangular shape, and matching lid options help improve stacking, handling, and transport performance.

Bagasse (Sugarcane Pulp): Compostable, sturdy, oil-resistant, and microwave-safe. Cornstarch/PLA: Plant-based bioplastics suitable for both hot and cold foods. Kraft Paper: Recyclable and often lined with PLA or PE for moisture resistance. PP/PE Plastics: Still used for conventional single-use lunch boxes but declining in popularity due to environmental concerns.

Leak-proof design Heat resistance (some up to 220°C) Microwave and freezer compatibility Certified compostable or recyclable options Customizable with logos and branding Bagasse Compostable Clamshell Containers Cornstarch Bento Boxes Top 12 Disposable Lunch Box Suppliers & Manufacturers in China Here is a curated list of the top manufacturers based on market presence, innovation, production capacity, and sustainability credentials.