The RSVP Endurance Citrus Juicer by The Everyday Gourmet is made of durable stainless steel with a silicone band around it to keep it secure when in use. It is designed to fit on top of a 1-2 cup glass measuring cup or bowls from 4.5 to 4.75 inches in diameter. The Silicone band keeps it from sliding around and keeps things in place.
