3.5Inch Square Coaster Mould

Create perfectly symmetrical, professional-grade coasters with our 3.5-Inch Square Coaster Mould. This silicone resin mould is crafted from high-quality, flexible material designed for easy casting and a clean release every time. Whether you are searching for DIY craft supplies for a weekend project or professional epoxy resin tools, this mould ensures your edges stay sharp and your base stays flat.

As a versatile handmade coaster mould, it works beautifully with epoxy resin, jesmonite, concrete, and plaster. The sturdy design makes it a reliable silicone mould for resin artists who want consistent results for their home decor collections or custom gifts.

Key Features

• Premium Quality Silicone: High-tear strength and flexibility for easy demoulding without sticking.

• Perfect Dimensions: Measures exactly 3.5 inches, the ideal size for standard drinkware and home decor.

• High Gloss Finish: The interior surface is polished to ensure your finished coasters come out with a smooth, glass-like shine.

• Durable & Reusable: Resistant to heat and chemicals, allowing for hundreds of uses with proper care.

• Multi-Purpose: Compatible with various casting materials including resin, wax, soap, and plaster.