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Thank you for supporting Sienna & Sidney. I set up this Company in 2009 after my daughter Sienna was diagnosed with Neuroblastoma. This is a relatively unknown childhood cancer and as a result is one of the least well funded. By purchasing our products you are helping to improve the situation as a percentage of profits will go to research into this cancer. Thank you.


Our mission is to source beautiful quality designer fabrics from around the world and to use them to make exciting and highly fashionable sleepbags. Safety is paramount to us and our bags are tested to the safety standard AS/NZS 1249:2003. Our sleepbags are designed and made in Sydney by qualified seamstresses.

The sleepbags are available in 3 different sizes 0-6 months, 6 -18 months and 18-36 months as well as in 3 different weights - light weight (approx 0.5 tog) which is ideal for Summer, middle weight  (approx 1.5 tog) and heavy weight (approx 2.0 tog) which is ideal for Winter.

The outer fabric and the inner fabric are 100% cotton. Any filling used is 100% polyester.

Our bags include zips which open at the bottom of the bag which enables you to change nappies more easily when your child is sleeping. Our smaller bags also include poppers on the arm openings which are useful when you are using with a very small baby.

If you have any questions please send us an email at siennaandsidney@gmail.com.

 Sienna & Sidney


Please see our Sleeping Bags for our 20% SALE of discontinued lines.


Mosman Market
Sienna & Sidney usually attends the Mosman Village Art & Craft Market, first Saturday every month from 8pm - 3pm, Mosman Square & Village Green, Spit Junction (map)  

 New Arrivals & Toys

Please check out our new pages for New Arrivals, Toys from Jellycat and Puzzles from Pebble and Mudpuppy.