Kileys Baetis Backs are pre-cut wing cases engineered for precise, repeatable application on Baetis-style mayfly patterns. The backs incorporate intense UV-enhanced flash to spark visibility in bright, dim, and shaded water. Integrated tabs simplify installation on your Baetis patterns, reducing handling and speeding fly-tying sessions.

Two sizes cover common fly-tying needs: SMALL for hooks 16-18 and MIDGE for 20-22. Each 96-piece pack keeps your fly box stocked for multiple trips and hatches. Designed for Baetis-style patterns and related mayflies, they are compatible with standard fly-tying setups and thread choices. Keep your Baetis patterns consistent on the water; add a 96-pack to your tying kit when you're ready.

• Pre-cut wing cases with UV-enhanced flash for added attraction in murky water and low light
• Integrated tabs for quick, tool-free installation on Baetis patterns, even with wind drift
• Two sizes: SMALL (16-18) and MIDGE (20-22)
• Pack size: 96 pieces
• Designed for Baetis-style patterns and related mayflies; compatible with standard fly-tying setups and thread choices