All bottles are not created equal. Beauty products come in all shapes and sizes — which is why we created the KUSSHI Expanded Set. This set of 4 water-resistant neoprene bottle protectors keeps your most fragile glass bottles — foundation, serum, perfume, and more — safely cushioned from point A to point B. And the small and medium sizes? Perfect for stacking makeup pots like lipstick, eyeshadow, and concealer too.