A piping tip is a small metal or plastic nozzle that shapes icing as you squeeze. Learn the families, match a tip to the job, and cupcakes stop looking like a knife swipe.
TLDR
- Tips group by opening: round, star, drop flower, leaf, petal, specialty (Wilton Piping Tips 101).
- A starter kit: large open star (Wilton 1M), a round (Wilton 12 or 2A), a petal (104), a leaf (352).
- Fill the bag only halfway, use a coupler if you swap tips, and keep icing lump-free.
- Shop piping tips, piping bags and Russian piping tips at Baking Pleasures.
The six families (what each opening makes)
Round A circle. Small numbers (1-4) write, outline cookies and pipe dots. Larger rounds (10, 12, 2A) pipe fat borders and cupcake blobs. Sally McKenney uses Wilton 12 for silky frostings and Ateco 808 for a cloud swirl.
Star (open and closed) A star-shaped opening. One squeeze is a star. A pull makes shells. A spiral from the centre is a rosette or a tall cupcake swirl. Wilton 1M is the classic open star for roses and soft-serve swirls. Closed stars (8B, Ateco 849) look tighter and more ruffled.
Drop flower Like a star with grooves that sit closer, so one squeeze is a blossom. Twist the wrist as you squeeze for a swirled flower.
Leaf A V-shaped opening. Pipe leaves beside flowers, or sunflower petals. Wilton 352 is the workhorse.
Petal A teardrop opening. Wide end of the teardrop sits out for rose petals, ruffles and ribbons. Tip 104 is the usual beginner rose tip.
Specialty Grass and fur (233), basketweave (47), Bismarck fillers, cake icing tips, and one-squeeze easy-bloom roses. Russian piping tips sit here too: a tulip-shaped insert that pipes a whole flower in one lift (Make Fabulous Cakes).
Wilton numbers are not the same as every Ateco number. Buy by shape and size, then note the number on the tip you like.
Visual cheat sheet
- Cupcake swirl: 1M or 8B. Start in the centre and spiral up.
- Buttercream rose: 1M for a quick swirl rose, or 104 petal by petal.
- Writing and dots: round 2 or 3. Light pressure, hover just above the surface.
- Shell border: star 21 or 4B. Squeeze, pull, stop, repeat (I Scream for Buttercream).
- Leaves: 352. Start at the base, pull out, stop.
- Grass: 233. Short pulls, overlap.
- Instant flowers: a Russian tip. Straight down, squeeze, lift.
Bag, coupler, fill
Drop the tip into a piping bag and snip the bag so about half the tip pokes through. If you will change tips on the same colour, use a coupler: base inside the bag, tip on the outside, ring to lock.
Do not overfill. Wilton suggests about half a cup at a time. Stand the bag in a tall glass, cuff the top over the rim, spoon icing in, then twist the top closed (Sally’s fill method).
Metal tips give a sharper edge; plastic is tougher for kids and dishwashers. Stainless Wilton tips go on the top rack. Dry them fully and store narrow-end up so they do not dent.
Icing that pipes well
American buttercream and Swiss meringue both pipe if they are smooth. Sift icing sugar so star tips do not clog. If a tip blocks, a toothpick clears it. Colour with gel food colouring so you do not thin the mix. Two-tone: two small bags inside one large bag fitted with 1M.
Practice on baking paper, then scrape the icing back into the bowl. Pressure matters more than speed: even squeeze, even line.
What to buy first
A 1M, a small round, a petal 104, a leaf 352, a coupler, and a pack of bags covers birthdays. Add Russian piping tips when you want flowers without the petal-by-petal work. Full kits live in piping tips and the rest of the cake decorating supplies shop.
Pick the opening that matches the decoration, fill the bag halfway, and pipe. The tip does the drawing; your job is steady pressure.