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Regularly: $2.69/Each

Other Available Sizes:

  • Versatile decorating tool for bakers
  • Perfect for piping thick, fatty, or oily products
  • Flexible construction allows for easy filling
  • Designed for heavy-duty use
  • Leak proof to limit product waste
  • Made of polyester with a triple coating of polyurethane for easy cleaning and durability
  • Environmentally friendly, reusable option

UPC Code:




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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.

Length 12 Inches
Coating Polyurethane
Material Polyester
Microwavable Yes
Style Reusable
Type Pastry Bags

Customer questions about this product

Can my reusable pastry bag be modified to fit different couplers and tips?
Yes, all reusable pastry bags (except canvas bags with a sewed seam) can be cut to accommodate different tips and couplers. Check out our chart, Companion Coupler, Bags, and Tips Guide to learn what couplers and tips fit your bag, prior to cutting it.
Ask your own question!


Designed for baking enthusiasts, this Ateco 3312 12" plastic decorating bag is perfect for creating imaginative cupcakes, cakes, food displays, and more! Made of polyester sheeting and triple coated with polyurethane, this Ateco pastry bag is a leak proof option for piping icing, mashed potatoes, and dough. Plus, thanks to its heavy-duty lining, this bag is ideal for use with fatty or oily products as well as regular icing. Whether you're decorating at a commercial bakery or for a catered event, this pastry bag is a reusable option to help you lessen your environmental impact.

Bringing you innovation and quality for over 100 years, Ateco, an August Thomsen brand, has been internationally known in the industry for creating baking tools of superior craftsmanship and design. By continually improving on tools, materials, and packaging, Ateco is dedicated to providing professional bakers with the kitchen essentials they need to succeed in an ever-evolving industry!

Overall Dimensions:
Length: 12"

  • Microwave Safe

    Microwave Safe

    This item can safely be used in the microwave for food service applications.

Pastry Tube Chart Pastry Tube Chart

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Customer Reviews

  • Overall User Rating: Ateco 3312 12" Plastic Pastry Bag (August Thomsen)

    4.7 stars from 25 reviews


    People Talk About:

    bag easy pastry bags clean great perfect plastic holds ateco

    Your standard cheap plastic pastry bag. Nothing to write home about it gets the job done. The 12" is on the smaller side and would probably opt for larger in the future as you can always tie/twist it off at the top. I docked a star as using some firmer frosting i noticed it managed to work its way into the seams of the bag.

    Posted on

    I absolutely love this product! This plastic pastry bag works great! This bag is 12" so it holds a decent amount of icing! Great quality!

    Posted on

    I love these Icing bags. They are very sturdy and great quality! I can't say enough good about them and will be ordering more soon.

    from Bite of Joy Posted on

    Ateco doesnt make mistake when it comes to pastry products and materials , tubes and tips match , perfect quality and very well pricing ,

    from Aslan Khan LLC Posted on

    These pastry bags are the best things ever. Really make decorating simple, and it's super easy to clean and store. This is my favorite size as they can be used for anything and are very easy to hold.

    from Deb's Delicate Pastries Posted on

    This bag is a little lighter duty than the canvas bag and not quite as easy to work with. It's even easier to clean, though! And the 12" size is great for smaller jobs and finer tips.

    from Rise Bakery Posted on

    Much cheaper than the store and less wasteful than basic plastic as well. This is a strong pastry bag for an excellent price. The coated plastic allows for heavier foods to be piped out without ripping. This 12" bag gets low to medium jobs done.

    from Sweet Pea's Cupcakery Cafe Posted on

    These are the perfect size to use when making macaroons......especially if one makes different flavors. Now, I need to learn to perfect the process. Of course, one can also use these to ice any cakes....Ha! Ha, actually its regular purpose.

    Posted on

    It's a nice little plastic reusable pastry bag it doesn't fit the larger tips so I'm in order one of the bigger ones too but other than that it's nice easy to wash

    from home Posted on

    these ateco pastry bags are so nice. they hold a good amount to decorate cookies and other pastries. they are super durable and easy to clean

    Posted on

    This item isn't always easy to clean, but works great for my donut frosting toppings and is somewhat easy to refill and reuse. Pastry bags can always be a little messy but this has been the easiest to maneuver.

    from 4th Street Bistro Posted on

    These Ateco bags work wonders for decorating desserts. They are much better quality than the disposable ones. The only downside is that you have to clean them after each use but they are worth it.

    Posted on

    We were using the disposable bags for the ice cream cakes. We found the plastic pastry bag are stronger and reusable which saves us money.

    from Reid's Ice Cream Parlor Posted on

    I have previously purchased this exact bag in multiple sizes but needed something smaller and the 12" size will be very convenient for my needs.

    from Loran-GulfCoast Holding Co, Inc. Posted on

    The 12 inch pastry bag is a pleasure to use. Small enough to be handy yet large enough to hold a good amount of product. Solid construction.

    from Mike's Mindful Plate Posted on

    Easy to use ...especially for a beginner like me..the cream frosting doesn't leak through the bag easy to clean up afterwards. I'm happy I got this as a starter, now ready to get other sizes.

    Posted on

    I mostly use this ateco icing bag for erithing of cake,I fill it up with a small spatula,ut a good wuality bag,easy to clean and it dried up fast

    Posted on

    Great quality pastry bag! Washes nicely and holds the perfect amount of buttercream. Fits coupler tightly and satisfied everything I was looking for in a deco bag.

    from Home Grown Cakes Posted on

    These pastry bags are great for all decorating needs and last a decently long time. Will continue to get these bags in the future. Would recommend to anyone.

    from One Dish Cuisine Posted on

    This is perfect for icing cupcakes. I needed a large bag so that I could pipe swirls on 24 cupcakes with out refilling my bag multiple times. This bag holds more than enough for that task. It's easy to turn inside out and wash with hot water and dish soap. I let it sit inside out standing up on the counter to dry.

    Posted on

    This plastic pastry bag holds up well to frequent use, and is relatively easy to clean. It helps create beautifully decorated cakes and cupcakes for any occasion.

    Posted on

    Cleans up easily. It is a perfect fit with standard coupler, no leaks. Easy to grib. Webrestaurant store also sells disposable pastry bags at a great price, so those looking for added convenience/reduced risk could go in that direction.

    Posted on

    I use this bag for small icing tasks - it holds the perfect amount of icing. It is lightweight and easy to clean and is holding up well with daily use.

    from Simply Cupcakes of Arlington Posted on

    This is a great size decorating bag for almost any application. These ateco polyurethane bags are incredibly flexible, strong, and very easy to clean. It is also very easy to trim.

    from A Dash of Delicious Posted on

    Ateco is the premium brand when it comes to cake decorating supplies. These bags are of a high quality and will last a long time.

    from A Gluten-Free Bakery in Philadelphia Posted on

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