Our Necklace Pendant is made of Quality Aluminum Alloy and Acrylic Glass. Necklace chain length is approximately 50 cm, and pendant is approximately 29 mm in diameter. One Size: LED Light Up Iron Man Infinity Gauntlet is about 36 x 16 cm, One size fits all. This is a custom designed LED Light Up Water Elemental Cosplay Prop! For example, those who enjoy making costumes attend sewing parties to work on their costumes with other cosplayers and share construction tips.