Adaptable Size for Various Wax Warmers: Each of our clamshell molds measures 5.51 x 2.9 x 1 inch. they are versatile enough to fit most wax melt warmers, proving to be quite advantageous for melting wax cubes. Superior Quality PET Plastic: By crafting these clamshell molds from PET material, we ensured they are non-toxic and environmentally sound. Capable of withstanding wax pour temperatures of up to 140 ° F (60 ° C), they won't interact with the wax or dye, thereby preserving the quality of the wax cubes. Exceptional Clamshell Design: Notably sturdy and durable, these mold containers feature a clamshell design that slips together tightly yet opens easily. They can withstand consistent use without degrading, providing a durable solution for your wax tart crafting needs. Perfect for Wax Melt Creations: Aimed at those who delight in crafting their own wax melt cubes or modifying existing candles for wax melters, our heart-shaped clamshell molds are a fundamental accessory for DIY wax melt enthusiasts. Style: Cubes / Heart Shape size: 14.00 x 7.5cm Material: plastic colour: transparent Package Contents: 25 x Wax Melt Containers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.