Material: these 80s solid neon resin bands made of plastic, shiny surface, no scratches, very smooth, no smell and lightweight, good for long time wearing Size: inner diameter about 7cm/ 2.75inch,, thickness about 2.5; perfect size for adults Retro accessories: these cute neon bangle bracelets perfect for matching 80s 90s party costume for Halloween party cosplay dress up or daily outfit Gift: for family, girlfriend, wife, friends, colleagues, classmates and yourself. Service:Your satisfaction is our pursuit, 24 Hours Online,Please let us help you first if you have any question! We will make you be a happy customer!