Non-slip stair mat Front fiber: Polypropylene(PP) or other fibers Structure:self-adhesive backing+ front fiber Pile height:0.6-4cm Density of front fiber:450-2000gsm Backing:self-adhesive Edge:overlocking Size:25X70cm,30X70cm,customized size Machine washable,wash with cold water,do not bleach,no not iron,do not dry-clean These stair treads select non-slip material at the bottom, they are not sticky to the touch, but will firmly adhere to your stairs when applying and keep in place. Provide extra ground friction so that your family and pets' safety can be secured well when they go up and downstairs.