Glass Guardian (Eco Green)- Protects glass bottles with our eco-friendly silicone sleeve for glass bottles! Fits perfectly on bottles 2.5"-3" in diameter Eco friendly. Reusable silicone bottle sleeve for glass beverage containers 100 % Medical-grade silicone. Superior quality Non-slip silicone sleeve offers secure grip, insulation, and helps protect against breakage Safe and healthy. BPA/BPS-free with no phthalates, PVC, or polycarbonates Fits bottles 2.5"-3". Use on your water bottles, jars, wine bottles, or beverage cups.