One of the biggest for children's wear

Kleertjes' main target group is the modern mother who is busy with her career, hobbies, social life, and of course her children.

Mikaela Berglund


By Mikaela Berglund


Kleertjes was started in 2003 when the busy businesswoman and mother Claudia Willemsen felt a strong need to be able to shop for children’s clothes online in a convenient way in the Netherlands. This need turned out to exist among many moms. Hence, thanks to that, Kleertjes has gone in a single direction, and it is upwards. Today, the company is large and loved by many.

Their main target group is the modern mother who is busy with her career, hobbies, social life and of course her children. Kleertje’s purpose is to facilitate this woman’s everyday life by being able to buy children’s clothes and toys quickly & easily so there is more time for important things.



  • 1,4 million visitors/month
  • You will have the ability to reach out to over 400 000 moms
  • Kleertjes is the biggest online platform for children’s wear in Benelux
  • Your products will be included in their marketing

The relationship they have to their sellers is to grow together. If you sell products in any of the following categories you may have the chance to ride on their success.

  • clothing (including sport clothing)
  • Shoes
  • Accessories
  • Underwear
  • Nightwear
  • Toys

Note, these categories are solely for the ages 0-16.



Kleertjes charges a fixed monthly fee of €39.95 and a commission based on your sales. For clothes and shoes the commission is 15%, for toys it is 13%. There is also an additional €1 per item sold.

Some of the general requirements for selling at Kleertjes:

  • You need to offer the customer a 30 day return policy
  • Be able to confirm an order within 24h.
  • Have a valid tracking code on all your orders.
  • Deliver 99% of all orders on time
  • Answer 90% of the questions you received within 24h

Product requirements:

  • EAN Code
  • Title
  • Brand
  • Product group
  • Gender
  • Color
  • Size
  • Season
  • URL of at least one front image

Are you interested in selling at this marketplace? Apply for a seller account here.

Do you already have a seller account and want to connect it with Sello, send an email to our onboarding team and they will help you:

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