Best Rectangular Jewelry Resin Casting Molds of 2026

TuNan Resin Jewelry Molds by TuNan are excellent DIY tools for creating beautiful jewelry pieces like pendants and bracelets. Made of soft silicone, these molds are flexible and durable, ensuring long-lasting use. The hanging hole design allows for easy removal of your creations. Additionally, the translucent color of the molds enables you to see the inside clearly, aiding in your crafting process. Remember to clean the molds before use for best results.

The Attuslla Rectangular Resin Molds set includes 11 silicone molds in various sizes, giving you plenty of options for your creative projects like coasters, wall art, or home décor. Made from high-quality silicone, these molds are flexible and durable, making them easy to use and clean. Their smooth interiors help you remove your finished resin pieces effortlessly once they have fully hardened, saving you time and frustration. Compatible with multiple casting materials such as epoxy and UV resin, you can customize your designs with pigments, dried flowers, and other decorative elements to create unique and personalized items.

The XMOX Rectangular Resin Mold comes as a convenient set of two silicone trays, one large and one small, giving you versatility for different projects. Made from durable silicone, these molds are built to last and allow you to create smooth, flawless resin pieces with ease. Whether you're experienced or just starting out, the mold’s sleek rectangular shape helps you craft elegant trays, jewelry holders, or decorative items. Plus, it works well with various materials like epoxy or UV resin, so you can experiment with colors and effects to make unique designs that show off your creativity.

The Nifocc Rectangular Resin Molds come in a set of six, giving you plenty of options for your crafting projects. Made from high-quality silicone, these molds are flexible and durable, so they won’t easily lose their shape, making them reliable for repeated use. They’re simple to work with—just pour your resin into the molds and customize by adding glitter, dried flowers, or other decorations to create personalized keychains, pendants, or earrings. With their rectangular shape and built-in hole, these molds are perfect for making unique jewelry or gifts for friends and family, making your DIY crafts easy and fun.

The COOLHOOD Resin Storage Mold is made from soft, flexible silicone, making it easy to handle and reusable for multiple projects. Its non-stick surface allows you to gently twist the mold to pop out your finished pieces without damage or hassle. You can personalize your creations by adding powders, liquid resin dyes, dried flowers, or other decorations to the resin for unique and colorful designs. This mold is perfect for crafting jewelry storage boxes and decorative home items, giving you a versatile tool to explore your creativity with ease and convenience.

The JDH Silicone Resin Coaster Molds include two rectangle-shaped trays made from high-quality silicone, ensuring durability and flexibility for long-lasting use. This soft, sturdy material makes it easy for you to remove your resin creations without worrying about breakage or sticking. Thanks to the non-stick design, your coasters and trays will come out smoothly every time. These molds are perfect for crafting personalized jewelry trays, ring holders, and more. You can get creative by adding pigments, dried flowers, or other decorations to make unique handcrafts that suit your style and needs.

The Patelai Wax Molds are perfect for your DIY projects, offering two versatile shapes: round and rectangular. Made from durable silicone, these molds are flexible and long-lasting, ensuring they won’t easily break or lose their shape over time. You’ll find them incredibly easy to use; just pour your materials into the mold, let them cure, and pop them out to reveal your beautiful creations. They’re designed not just for keychains, but also for making charms, pendants, and even candle holders, allowing you to unleash your creativity and enjoy the crafting process.

Actvty Resin Jewelry Molds is a set of durable silicone molds for making various styles of jewelry such as earrings, necklaces, and pendants. The molds come in 38 different shapes, including drop-shaped, rectangular, triangular, round, and square. The molds are made of high-quality silicone material, which makes them flexible, easy to use and clean, and easy to release. The interior of each mold is smooth and shiny, which reduces the need to cut back and polish. With a hanging hole design, you don't need to drill holes after finishing the product, which is great for necklace pendants or earring jewelry making. Actvty Resin Jewelry Molds are compatible with most resins and casting materials like epoxy resin, UV resin, cement clay, and wax, offering large room for DIY projects. It is an ideal gift for friends and family on special occasions, showing your tasteful choice.

The AOEDEO Resin Molds are a set of three rectangular silicone molds that are perfect for creating resin projects. With sizes ranging from 9.6''x 6.6'' to 3.1''x 2.5'', these molds are ideal for making solid resin blocks with embedded objects like flowers and photos. They can also be used with wood and resin to create small serving trays or other epoxy resin artwork. The molds are made of strong, reusable, and flexible material, making them easy to use and maintain. They are heat resistant, but it is recommended to avoid using a torch as it can damage the mold. With these molds, you can easily preserve your memories and create beautiful resin crafts.

The KuuGuu Silicone Tray Molds are designed for versatile DIY projects. You will receive two molds in different rectangular shapes, allowing you to create trays from various materials. Made from high-quality silicone, these molds offer excellent flexibility and a smooth finish, making cleanup a breeze. Their unique bow edge design adds a stylish touch, making your creations stand out. Plus, these molds work well with most casting materials, enabling you to craft eye-catching items that reflect your personal style.