Thank you for viewing! This is a Dreamy Mate set, exclusive to Sanrio Puroland. The headband was used once for a short time. The collar is unused. I am selling these to organize my collection. 〈Size〉 Headband: Approximately 19 x 19.5cm Collar: Neck circumference approximately 28.5cm Please understand that these items have been stored at home. Please purchase if you are okay with this. I will ship compactly. Thank you for your understanding. m(_ _)m Immediate purchase is welcome (*ˊ˘ˋ*)