The Check In Plus is the full-size member of the Plus range. It keeps the built-in seat and child safety belt, opens from the top into one deep space and adds wheel brakes.

Specifications
- Dimensions: 65.5 × 46 × 33 cm, wheels included
- Capacity: 77 litres
- Weight: 5.9 kg empty
- Opening: Top-opening, one deep packing space, plus a front pocket
- Lock: TSA-approved zip lock
- Seat: Built-in, 100 kg total capacity including contents
- Child seatbelt: Included
- Wheel brake: Yes
- Colours: Navy Blue and Burgundy Red
It holds the same 77 litres as the original Check In and, at 5.9 kg, weighs less than the original's 6.5 kg.
Packing from the top
Most suitcases split into two halves. The Check In Plus opens vertically to give one deep, uninterrupted packing space, so it takes up less floor space in a tight hotel room and fits bulky items such as shoes, boots and jackets.
- Use the large waterproof pocket for liquids.
- Keep things you need at the gate in the front pocket, so you do not have to open the main case.
- Hang a nappy bag or tote on the bag hook to keep your hands free.
Wheel brakes and the seat
The wheel brakes add security while someone is seated. Put them on before your child climbs on and release them before you pull. The telescopic handle has four height settings.
Once you land, the built-in seat is also a stable spot to stack extra bags on the way to your accommodation, which is handy on multi-stop trips between hotels and apartments.
Safety rules
The 100 kg limit includes everything packed inside. Your child must sit unassisted, always be belted in and be supervised. Flat surfaces only, never escalators, stairs, travelators or slopes.
Need a hand?
If a brake, zip or pocket on your Check In Plus is not working as it should, send us a request and our Melbourne team will help.
More from MiaMily
Visit miamily.com.au for the full MiaMily range, or shop at coolkidz.com.au.
Details in this article are taken from miamily.com.au and were checked on 3 October 2026.
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