SK Hat shop Girls Winter Warm Spiked Studs Soft Cuff Ribbed Knit Beanie Skull Hat Cap Fabrication: 100% Soft Acrylic Size: One size for lades and teens (S/M: 57 cm, 22-3/8", Size 7-1/8) Flat measurement: 7-5/8 x8-1/2" - will stretch