The Erstwilder Goonbag Jelly Katherine Sabbath Collection resin brooch is a modern handmade piece featuring a dessert theme designed by the brand Erstwilder. This unique brooch, measuring 4cm in length, is made from resin and is signed by the maker. With a whimsical and playful design, this brooch is a creative addition to any fashion jewelry collection, showcasing the quality craftsmanship and attention to detail that Erstwilder is known for.