Material: Acrylic and brooch or/and necklace adaptor. Size: The brooch measures 6.3cm long x 5.4cm wide (2.48 inches x 2.13 inches). If you buy the necklace adaptor as an extra it will measure around 55cm long (21.65 in long). Quantity: This article includes 1 Autumn wreath brooch (additional necklace adaptor can be purchased for an extra price). Autumn wreath brooch is made with different colour acrylic (including shimmer, mirror and frosted acrylic) and high quality maple wood, brooch on the back and hand painted details, it is based on my own drawing. Each piece includes a branded jewellery box made with FSC certified product. The piece is very sturdy and has 4 levels of acrylic. It's made of 7 different colours of acrylic and maple wood and has 23 pieces glued one by one. You can buy an extra adaptor to have a 2 for 1 pieces (brooch or necklace). The acrylic are made out of recycled acrylic from local UK business.