[Optimal Size and Quantity]: 4-inch diameter bird bath disk with 0.6 mm thick construction for long-lasting outdoor use. Made from 99.99% pure copper. Includes 2 pack for convenient birdbath care. [Helps Maintain Clearer Water]: Copper material is widely known for its natural properties that help reduce buildup in standing water. Supports a cleaner-looking birdbath environment without the need for tablets or liquid additives. [Stable Triple-Point Support Design]: Three-point base design improves stability and positioning inside most outdoor birdbath bowls, helping maintain consistent surface contact with water. [Durable All-Season Construction]: 0.6 mm thick copper construction designed for outdoor durability. Suitable for stone, resin, plastic, ceramic, and concrete birdbaths. [Low-Maintenance Outdoor Accessory]: Helps reduce cleaning frequency and scrubbing effort. A simple birdbath accessory designed to support regular outdoor water care. Keeping a birdbath clean can be challenging, especially in warm weather, when standing water can become cloudy over time. This pure copper birdbath disk is designed as a simple maintenance accessory for outdoor birdbaths. Made from 99.99% pure copper, the disk rests directly in the water and provides consistent surface contact through its stable three-point base design. The durable 0.6 mm thick construction is built to withstand outdoor conditions throughout the seasons. By helping reduce visible buildup and supporting regular water care routines, this copper insert offers a convenient way to maintain a fresher-looking birdbath without the need for tablets or liquid additives. A practical and low-maintenance addition to backyard birdbath setups.