Choosing a bib, bowl or bento box sounds simple until you're standing in front of a shelf of options with a hungry baby on your hip. This size guide cuts through the guesswork. Whether you're searching for the right bib bowl combo for first feeds or scaling up to toddler lunches, here's exactly what to look for at each stage.
Part of our complete guide to silicone baby feeding sets.
Bib Sizes: What Fits Each Stage
Silicone bibs are not one-size-fits-all. A bib that sits too low misses the mess. One that's too tight is a battle every mealtime.
- 4 to 9 months: Look for a neck opening of around 28 to 30 cm in circumference. The pocket should sit close to the tray, not draping loosely.
- 9 to 18 months: Neck openings from 30 to 34 cm work well. Wide, deep pockets catch more as self-feeding begins.
- 18 months and up: Most standard silicone bibs fit up to 36 cm neck circumference. At this stage, a longer bib that covers the chest is worth prioritising.
Always check the manufacturer's size guide before buying. Fit varies between brands, and a bib that gaps at the neck is not doing its job. The Raising Children Network notes that introducing solids typically begins around 6 months, so most families will start at the smaller end of the size range.
Bowl Sizes: Matching the Bowl to the Appetite
Baby bowls are measured in millilitres. The right capacity depends on both age and the type of meal you're serving.
- First tastes (4 to 6 months): A 150 to 200 ml bowl is plenty. Portions are tiny and a large bowl makes it harder to scoop small amounts cleanly.
- Early solids (6 to 9 months): Aim for 200 to 300 ml. Babies are working up to two to three small meals a day alongside milk feeds.
- Active eating (9 to 18 months): A 300 to 400 ml bowl suits most toddler portions. Look for a wide base that suctions firmly to highchair trays.
- Toddlers (18 months and up): 400 ml and above covers most meals. At this stage many families shift to a divided plate or bento format instead.
If you use an Ikea Antilop highchair, check that the suction base of the bowl is sized to grip the flat tray. Bowls with a suction diameter under 9 cm tend to work best on that tray surface.
Bento Box Sizes: Choosing the Right Fit for Toddler Lunches
Bento boxes are measured by total volume and compartment layout. For daycare lunches and toddler meals, getting the compartment size right matters more than overall box size.
- Total volume: A 500 to 700 ml bento suits most toddlers aged 1 to 3 years. A 700 to 900 ml box works better for children aged 3 and up.
- Compartment count: Four compartments give you the most flexibility. You can separate proteins, fruit, vegetables and a small snack without everything touching, which helps a lot with picky eaters.
- Compartment depth: Shallow compartments (under 2.5 cm) are good for crackers and fruit. Deeper compartments handle pasta, rice or diced meat without spilling during the lid-on journey to daycare.
For practical ideas on filling each compartment, the baby and toddler bento snack ideas guide has stage-by-stage suggestions that make packing faster. If you're deciding between box styles, the full buying guide for 4-compartment bento boxes covers lid types, leak resistance and which materials hold up to the dishwasher.
Browse the organised lunch range for kids to compare sizes side by side.
How Many Place Settings Do You Actually Need?
For a family of four with one or two young children, a practical starting point is two full feeding sets. That covers one in use and one in the wash. If you do daycare drop-offs, add a dedicated set that stays in the bag. Sharing lids and bases between bento boxes from the same range saves money and cupboard space.
Keeping silicone gear in good shape comes down to how you clean it. The guide to cleaning silicone bowls, bento boxes and placemats covers what's dishwasher-safe, how to remove staining and when it's time to replace.
Quick Reference: Size at a Glance
- Bib neck (4 to 9 months): 28 to 30 cm circumference
- Bib neck (9 to 18 months): 30 to 34 cm circumference
- Bowl (first tastes): 150 to 200 ml
- Bowl (active eating): 300 to 400 ml
- Bento (toddler 1 to 3 years): 500 to 700 ml total volume
- Bento (3 years and up): 700 to 900 ml total volume
