The innovative insert styles installation with finger grip design allows effortless setup, while the concave center and 0.98 " thickness provide enhanced stability for cups up to 3.15 " diameter in car cup holders Ideal for daily commuters, ride share drives, and road trip who prioritize organized interiors and spill easy travel in sedans, SUVs, or work vehicles Engineered with flexible yet strong silicone, these general coasters combine shaking dampening and scratch defense while seamlessly blending with any car interior decor Perfect for securing beverages during city drives, off road adventures, or stationary use in homes / settings, maintaining cleanliness by condensation in its deeping reservoir Crafted from premium silicone, these 2 / 4pcs car coasters feature a not slip textured surfaces and shock absorbing design to securely hold cups while protecting cup holders from scratches and reducing liquid spills during drives