White Seahorse Resin White Seahorse Resins (R7007) White Seahorse Resins (R7007) (17 ratings) £1.00 SORRY THIS ITEM IS CURRENTLY OUT OF STOCK - PLEASE CHECK BACK AGAIN SOON. Pack of 2 Size 55 x 28mm Flat back. Each piece is handcast from white resin. You can easily change the colours of resin by painting them with gesso, then they can be sprayed with any product, Lindy's is my personal favorite. Paint them and even glitter them. Please allow for slight defects in casting.