There are many resin brands on the market but ArtResin uses the most advanced chemical combination to inhibit yellowing over time due to

UV Rays. ArtResin is also non-toxic and contains no VOCs or fumes.

Important:  If you are adding personal items to your project remember that any porous items

should be sealed.  Use a brush on or spray sealer that is appropriate for your item. ModPodge

works well on many items including  natural sand dollars or starfish.