12pcs/inner case; 288pcs/outer carton carton size:51*31*27cm G.W.:8.4kg Floss material:terylenePTFE,uhwmpe,teflon,expanding,nylon,etc Floss length:10m,15m,25m,50m,100m Floss flavor:mint,strawberry,fruit,others Function :clean teeth Certificate :FDA,CE,TUV Case material:pp Coated :waxed,unwaxed Color :white,pink,blue,green,purple,etc.