Home>Blog>Fly Tying Materials AdviceHappy New Year!1 January 2022 | Sarah New Year New Materials! Seal Fur is fantastic for fly tying however the legal position of seal fur in many countries make this a difficult product to source and travel with. As a result the Semperfli R&D team worked with their Pro Team to develop the most realistic Seal Fur Substitute possible. SemperSeal Subs is the resulting product, perfect feel for your dubbing. ShareTweet