Smooth Release
Designed for easy release without sticking or cracking, leaving your bath bomb with a clean, smooth finish every time.
Good for: Party bags and gift toppers
“Every batch turned out perfect. They look like something you'd buy in a fancy boutique.”
— Klaudia W., Verified Buyer · 2" Cube Mold
Every batch comes out crisp, clean, and ready to gift — whether you're making two or two hundred. It's the kind of result that makes people ask “did you really make this yourself?” New to bath bombs? Read our beginner's guide →
Designed for easy release without sticking or cracking, leaving your bath bomb with a clean, smooth finish every time.
Choose the same mold design in different sizes to suit various products, occasions, and bath bomb-making needs.
Covered against manufacturing defects for two years when used normally and cared for according to our instructions.
Rinse with cold water, allow it to dry completely, and store it in a cool, dry place between uses.
Soft, simple, and full of handmade charm, the Yarn Ball Bath Bomb Mold is a must-have for makers who love cozy aesthetics and crafty vibes. With its classic wrapped-string texture and perfectly rounded shape, this design brings a warm, comforting feel to every bath bomb you create.
Whether you’re crafting gifts for knitters, putting together fall and winter collections, or adding a neutral staple to your lineup, the Yarn Ball is endlessly versatile. Dress it up with soft pastels, earthy tones, speckles, or embeds; it pairs beautifully with comforting scents like vanilla, oatmeal, lavender, or warm woods.
Designed for smooth pressing and clean detail, this mold delivers consistent results batch after batch, making it ideal for both hobby makers and small businesses.
Available Sizes: 1.5" | 2" | 2.5" | 3" | 3.5" | 4" | 4.5"
Mold Type:
Three-piece 3D Mold, top, bottom, and sleeve
Why You’ll Love It:
Crisp string detail with a smooth finish, easy release and reliable pressing, perfect for cozy, handmade-themed collections, a great seller for fall, winter, and gift sets
There’s something deeply comforting about creating pieces that feel familiar and warm. The Yarn Ball is a reminder of slow moments, handmade love, and the joy of crafting something with care. It’s not just a bath bomb, it’s a little hug made by you.
Free Standard FedEx Shipping (orders over $100): 7–12 business days
FedEx Express Shipping: 1–2 business days (available at checkout)
All shipments include tracking.
All molds include a 2-year warranty with normal use.
Not sure which to pick? Here's what each size looks like — and what people use it for.
Great for party bags, grab bags, and gift toppers.
Perfect for gift sets, favors, and bundles.
The classic size. One per bath. Works for everyone.
Feels generous, looks great, a crowd favorite for gifting.
Great for selling on Etsy, looks premium in packaging.
Big enough to wrap and give on its own, a real treat.
A showstopper. One bomb for a long, deep soak.
The 2" is our most popular size — it makes a bath bomb that's perfect for a single soak and fits nicely in packaging. If you're making party favors or gift bag fillers, go smaller (1" or 1.5"). If you want something that feels luxurious to gift or sell, try the 3" or 3.5". Oursize guideshows exactly what each size looks like.
Yes — this mold works with all standard bath bomb recipes including citric acid and baking soda bases. The smooth interior walls are designed for clean release regardless of your exact formula. If your mixture is wetter than usual, let the bath bombs set for a few extra minutes before removing.
With normal care, these molds last for hundreds of batches. Every mold comes with a 2-year warranty — if it develops a defect in materials or workmanship under normal use, we'll replace it. Just contact us.
Absolutely — many of our customers run Etsy stores, sell at markets, and supply local boutiques using these molds. The 3" and 3.5" sizes are especially popular for retail-ready bath bombs. If you need a custom shape or logo pressed into your bath bombs, check out ourcustom mold service.
Rinse with cold water after each use and dry thoroughly before storing. Avoid hot water. Do not soak or put it in the dishwasher. Store in a cool, dry place away from direct sunlight.