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Regularly: $0.29/Each

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Overall User Rating from 123 reviews


  • Eliminates the need to empty your decorating bag before changing tips
  • Made of white plastic

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You May Also Need

"You May Also Need" items are guaranteed to work with the item you are viewing, such as lids that will fit a cup or casters that will fit a piece of equipment. If an item is not listed in this section, we do not guarantee that it will work with the product you are viewing and do not recommend that you purchase them for use together.

How to Pipe a Rose with Buttercream Frosting

How to Pipe a Rose with Buttercream Frosting

Use these simple steps to professionally add a buttercream rose. You'll need a spatula, rose tips, a leaf tip, couplers, a flower nail, a rubber spatula, and piping bags. Begin by squeezing cream onto the flower nail in a circular motion, creating a lump with a tip on it. To create the layers of a rose, squeeze cream in an short arch motion and continue rotating the rose until you have the desired amount of layers, or petals.

Copy and paste the embed code above.

Ever wonder how to professionally decorate your cake? Watch this short video and learn how to style up your next cake with a classic buttercream rose.

Color White
Material Plastic
Shape Round
Size Standard
Type Couplers


This Ateco (August Thomsen) 400 standard plastic coupler allows you to interchange standard sized tubes and small tubes without emptying the contents of your decorating bag. Ideal for bakeries, cake decorators, coffee shops, and anywhere else you need to decorate food items quickly with minimal mess, this white plastic coupler will get the job done!


Pastry Tube Chart Pastry Tube Chart

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Compatible Models

This item is compatible with the listed models, according to the manufacturer. We do our best to keep this listing as accurate and up-to-date as possible. If you have any questions or concerns, feel free to contact a Customer Solutions Specialist before placing your order.

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Customer Reviews

  • Overall User Rating:

    Ateco 400 Standard Plastic Coupler

    4.9 stars from 123 reviews


    People Talk About:

    coupler couplers great tips easy Ateco pastry standard price bag

    Love these! Very hardy and easier to work with then typical store bought. There is no notch either, so this makes it easy to use just the tip for decorating too!

    from The One Butt Bakery Posted on

    Ateco 400 Standard Plastic Couplers are essential for decorating cakes and such. They hold your tip tightly and in place. They are easy to clean as well.

    from Ruffled Feathers Posted on

    The more complicated my cakes are with lots of colors the more couplers I need. These are comparable to the brand at my nearby craft store at a lower cost! Very satisfied with my purchase.

    Posted on

    This coupler is actually really great for the price. It's much better quality than my Wilton couplers, even though I paid much more for them. Great buy

    Posted on

    It is as expected, a standard size coupler for your pastry bag. I find the Ateco couplers last me longer than the Wilton, and this was half the price of buying the same item at the local supply.

    Posted on

    I'm so happy for this couplers. It's easy to play with different tips and not change the pastry bag. This is great product and good price.

    Posted on

    I bought these to use with the disposable pastry bags. Easy to use, and very cheap to purchase. They are much more in the local stores.

    Posted on

    I purchased 2 along with pastry bags, didn't know that there is an additional piece needed. I could be wrong. Thus, have not used yet. If you have everything, should be fine.

    Posted on

    The convenience of this product for the price is a must for even the most novice decorator. This wash up nicely in a cage on the top rack of my dishwasher.

    Posted on

    These couplers are high quality plastic, not soft and flimsy. Because they are a standard size, they will accommodate any regular size decorating tip. They wash up very well in the dishwasher.

    from Granny Lyn'S Kitchen Posted on

    These couplers are prefect. I use them everyday at work and dont think i could work without them. I haven't found them at a better price.

    Posted on

    Excellent standard Ateco coupler. This coupler not only works well, but comes at a great, inexpensive price. I would definitely recommend this product for all baking uses.

    Posted on

    This ateco standard coupler is a great value and a solid product. It holds up well and is easy to clean. I would recommend picking up a bunch.

    Posted on

    This is a great deal for businesses and home as well. I have used it for my kid's school for cookie decorating parties, etc. The kids loved having their own icing bag with a professional looking coupler.

    Posted on

    Excellent quality plastic coupler. The price is perfect and they work exactly as described. They are easy to clean and they appear to be well built and should last a long time.

    Posted on

    These fit exactly with my 12" bag...I'm a beginner at decorating as a hobby, I just bought some random pieces to give this a try. They wash up well, don't stain. This is labeled standard, but I'll consider it small when compared to the medium I purchased.

    Posted on

    These couplers are very sturdy. None of my food colorings have stained them, they wash up very easily and I have had no cross-threading issues with them, through many uses.

    Posted on

    This little helps me out in such a big way. Whenever i put decorations on my cakes, this is the one tool you don't want to be without

    from Jr's Catering Solutions Posted on

    Perfect coupler - great quality, nice and sturdy and lasts over 100+ uses. We stock these and hardly ever have to replace them, if we do it's because someone lost one of the pieces!

    Posted on

    I don't do much decorations so it is not a staple but definitely necessary every once in a while. It fits securely and does its job.

    Posted on

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