• 12 non-slip rug base units with dimensions of 3.74 and 2.95 inches. • Strong self-adhesive: peel off the white adhesive and stick it to the bottom of the rug, then remove the transparent film and press against the floor. • High-quality material: non-slip base made of eco-friendly PU polymer, resistant to high temperatures, no deformation. • Scope of application: strongly adheres to most smooth rugs and hard surfaces, including tiles, marble, linoleum, laminate, and wooden floors. • More safety: prevents tripping and keeps the corners and edges of the rug from curling. • Non-slip mat: heart-shaped design suitable for most shapes of indoor or outdoor rugs.