These trainer liners are designed to hide neatly inside your trainers style added stretch care and composition composition pair 1 3 and 5 74 cotton 23 polyamide and 3 elastane lycra pair 2 71 cotton 26 polyamide and 3 elastane lycra pair 4 73 cotton 24 polyamide and 3 elastane lycra care instructions machine washable tumble dry