Integrates seamlessly into your Pescador XL Box Our expansion insert integrates seamlessly into your Pescador XL Box, more than doubling its carrying capacity to up to 1096 flies. This is the ultimate boat box set up with plenty of storage for anything that&&';;s on the menu. Product Features: Increases capacity of Pescador Large by up to 610 flies Withstands extreme temperature range 100% recycled plastic Original patented silicone anchoring technology Durable and tested for long-lasting strength Flies not included Only compatible with the Tacky Pescador XL Fly Box Product Specifications: Dimensions: 6.75" x 10.125" x .5"