Guide To Leak Proof Paper Bowls: Materials, Standards & Best Practices | Bioleader® Sustainable Packaging

Paper lids are recommended when the buyer wants a consistent kraft or white paper packaging appearance. PP flat lids are practical for stacking, takeaway, and delivery handling. PET dome lids are suitable when product visibility is important for chilled salads, supermarket display, and grab-and-go food programs.

A 650ml rectangular paper salad bowl is designed for medium single-serve or regular meal portions. It is commonly used for salads, rice bowls, sushi-style meals, cold noodles, desserts, side dishes, and takeaway meals. For buyers building a wider rectangular bowl range, 650ml can be paired with 500ml, 750ml, and 1000ml rectangular paper bowls , Leak Proof Paper Bowls.

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 , Leak Proof Paper Bowls. Bioleader® can match lid type by rim diameter, packing plan, artwork needs, and destination market requirements.

Typical sizes include 8 oz for side dishes, 12–16 oz for regular soups and noodles, and 26–32 oz for family meals or catering orders , Leak Proof Paper Bowls. Buyers should always confirm rim diameters to ensure lids fit correctly.

Yes, they are microwave-safe for short heating cycles of about two minutes with liquid inside. To avoid pressure build-up, the lid should be removed or vented. The bowl stays stable, though paper lids may soften under heat.