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Baby Girls Swim Onesie | WILLOW

Size Guide
Toshi Size Guide

Toshi Baby Clothing Size Guide

Newborn 0000 up to 58cm up to 44cm
0-3 000 up to 62cm up to 46cm
3-6 00 up to 68cm up to 48cm
6-12 0 up to 76cm up to 50cm
1yr 1 up to 84cm up to 52cm
2yr 2 up to 92cm up to 56cm


Toshi Baby Headwear Size Guide


Premmie to NB

NB to 8mths 8mths to 2yrs 2yrs to 5yrs

Head Circumference 

37cm 43cm 52cm 54cm


Select Your Size

Bring on Summer in Toshi's gorgeous baby swim onesie.  

This light-weight onesie is made from high-quality UPF 50+ rated fabric, which is also fast drying.

If you are taking your little one to swimming lessons, it is also chlorine and salt water friendly.

For easy dressing, this adorable Toshi seamless swim onesie has press studs for easy nappy changing and a back neck zip.


Along with the UPF50+ rated fabrics, Toshi has designed the onesie with a high neckline and long sleeves for greater sun protection.

  • Original and exclusive Toshi print design
  • 80% Nylon 20% Elastane
  • Refer to the size guide tab for sizing details
  • Designed in Australia, made in China.

Gorgeous Products and OUTSTANDING SERVICE!

When my sister had her baby girl, I wanted to send her a gorgeous present but I had no idea what to get her. I reached out to Elle J and to say the girls were amazing is an understatement. I live out of town, so they asked me to call them and then jump on a Facebook chat to send pics while I was talking to them on the phone. In no time at all they had put together the most perfect gift basket and had it delivered to the Mater Hospital that afternoon. My sister LOVED her gift basket and the whole process was so easy. I cannot recommend Elle J enough. GORGEOUS products and the BEST service I have ever experienced. Thank-you again and I can't wait to buy more goodies for my niece!