The new generation of fly boxes is here. Foam has and will always be a good way to store your flies but silicone is a relatively new alternative that
Large Silicone Slimline Waterproof Clear Lid Fly Box
Slim Waterproof Fly Box With Silicone Insert - Kingfisher
Versatile grip box Items
Silicone Fly Box Portable Transparent Impact Resistant Waterproof Fishing Storage Box (Large Triangle)
Description:, Name: Fly Box , Material: Silicone+ABS+AS, Packing list:, 1 x Fly Box , Note:, Light shooting and different displays may cause the color
Silicone Fly Box Portable Transparent Impact Resistant Waterproof Fishing Storage Box
Waterproof Silicon Fly Box
SF Fly Fishing Box Double-Sided Small with Lanyard Waterproof Pocket Clear Lid Easy Grip Foam
Silicone Fly Box Portable Transparent Impact Resistant Waterproof Fishing Storage Box Storage Organizer Fly Fishing Accessories - AliExpress
Bassdash Waterproof Fly Box Single/Double Sided Fishing Flies Storage With Foam/Silicone Slits Insert : Sports & Outdoors