Melissa products are primarily known for their unique, fashionable "jelly shoes" made from the proprietary, eco-friendly, and recyclable material Melflex® PVC, which is comfortable, durable, and water-resistant, often featuring a signature bubblegum scent. The brand, originating in Brazil, emphasizes sustainable fashion, cruelty-free production, and collaborations with designers to offer trendy, pop-luxury footwear.