Tea Cosy - Rainbow Brighten your morning with this cheerful Rainbow cosy £15.00 Quantity: at £15.00 each Add To Basket 1 in stock. Charming 100% cotton tea cosy. Handmade in Norfolk from Rainbow fabric, this practial but cute tea cosy will keep your cuppa piping hot. Insulated with polyester wadding to keep your teapot snug. Machine washable at 30 degrees.