The hat is designed with button, it can avoid the strap of mask hurt your ears or get wrinkles on your face.The hat is designed with elastic band, it can hold your hair in place and ensure not make you feel any uncomfortable even it is tightened.The hat is made of polyester, it is very comfortable to wear.The diameter of the hat is 30cm.The hat is suitable for working, Cooking, hospital, beauty, cavity dentistry, home cleaning, and so on.Item Name: Scrub CapMaterial:PolyesterSize:Black: 30cmx30cmx1cm/11.81inx11.81inx0.39inWhite: 11.3cmx11.25cmx3.65cm/4.45inx4.43inx1.44inPurple: 30cmx30cmx1cm/11.81inx11.81inx0.39inPink: 30cmx30cmx1cm/11.81inx11.81inx0.39inSilver: 30cmx30cmx1cm/11.81inx11.81inx0.39inWine Red: 30cmx30cmx1cm/11.81inx11.81inx0.39inSapphire Blue: 30cmx30cmx1cm/11.81inx11.81inx0.39inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Scrub Cap<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin