Included 2 BonkBands one size fits all headband and 4 Icepacks. One size fits all.

Select all Yellow, all Blue or one of each

Materials:

Headband: 
~ Nylon (85%) 
~ Spandex (15%)

Ice Pack:
~ Purified Water (75-80%) 
~ Sodium Polyacrylate (18-22%) 
~ Sorbitol (<1.0%) 
~ Glycerin (1.0-2.0%) 
~ Sodium Carboxymethylcellulose (1.0-5.0%)