Slumpy's

08/28/2026

Pick ONE: Fusing 🔥 or Slumping 💫 Which part of the process do you enjoy more?

08/27/2026

⚡️ FINAL DAY ALERT! ⚡️

Last chance to get 25% off ceramic molds! 🙌 Sale ends TONIGHT, August 27. Stock up while you can!

Featured Mold: SM-9503 Jumpin Jill Splash Mold


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

08/25/2026

🎉 Carolina Mold Rush is here! 🎉

Get 25% off ceramic molds now through August 27! 🙌 Perfect for creating stunning fused glass, our molds help you bring unique designs to life. Stock up and save!

Featured Mold: SM-9461 Scoop Mold


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers. ✨

Welcome to Slumpy's, the Glass Mold Company. More than just offering glass slump molds, we offer warm glass, glass tools, and warm glass supplies.

08/24/2026

Fall colors + fused glass = a perfect match. 🍂✨

This stunning piece was draped over the SS-781 Large Wave Mold, creating a sculptural display with beautiful movement and dimension. We love how the textured clear glass and colorful leaf details catch the light!

🍁 SS-781 Large Wave Mold - https://loom.ly/mk6uQCY
What would you create with this shape?

08/23/2026

🔥 Reminder: Savings are still going strong!

There’s still time to stock up and save—the more you order, the bigger your discount! Save 10% off orders of $300, 12% off orders of $500, or 15% off orders of $750 with promo code FIREDUP2026 - today, August 23, only.

Whether you’re restocking studio essentials or planning ahead for the busy season, now’s the time to fill that cart and maximize your savings. 🙌


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers.

08/21/2026

🔥 Get fired up for bigger savings!

The more you stock up, the more you save! From August 21–23, save 10% off orders of $300, 12% off orders of $500, or 15% off orders of $750 with promo code FIREDUP2026.

Featured is our SM-6331 Mason Jar Sagger, shown here with a fiery pepper design that’s bringing the heat! 🌶️🔥 Art courtesy of Linda Correa. 💖

Stock up on molds, glass, tools, and studio essentials while your savings are fired up!


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers.

08/20/2026

🛒✨ We’re feeling a little nosy today... what’s the first thing you add to your Slumpy’s cart? 👀

Sheet glass? Frit? Molds? Tools? Tell us your must-have! ⬇️

08/18/2026

✂️ Get a grip on some seriously good savings!

Whether you’re replacing well-loved tools, upgrading your workspace, or stocking up on studio essentials, now’s the time! August 18–19, save up to 20% off tools & displays—no promo code required.

Featured in the sale are our colorful Tarheel Tools Colored Pistol Grip Cutters, designed for a comfortable grip while cutting glass. Pick your favorite color—or grab a few so everyone in the studio knows which one is theirs!

Stock up, tool up, and keep your creativity cutting-edge. ✨


✨ Offer ends midnight EST. Order $450 after all discounts have been applied in order to receive free shipping within the contiguous USA. Some exclusions apply and may not be combined with other offers.

08/17/2026

Make a statement with every slump! 🔥

The SM-9050 Soft Slope Bowl Mold gives fused glass a sleek, gently sloped shape that’s perfect for showing off bold patterns and creative color combinations. We’re loving how this geometric design pops in purple, orange, white, and blue!

✨ SM-9050 Soft Slope Bowl Mold - https://loom.ly/ZpTtyuM
What colors would you use for yours?

08/15/2026

🔥 Glass artists, we want to hear from you! What project is currently taking up space on your worktable?