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We demonstrate robust, stable, mobile two-dimensional (2D) dipolarring-dark-in-bright (RDB) Bose-Einstein condensate (BEC) solitons for repulsivecontact interaction, subject to a harmonic trap along the $y$ directionperpendicular to the polarization direction $z$. Such a RDB soliton has aring-shaped notch (zero in density) imprinted on a 2D bright soliton free tomove in the $x-z$ plane. At medium velocity the head-on collision of two suchsolitons is found to be quasi elastic with practically no deformation. Thepossibility of creating the RDB soliton by phase imprinting is demonstrated.The findings are illustrated using numerical simulation employing realisticinteraction parameters in a dipolar $^{164}$Dy BEC.

Stable and mobile two-dimensional dipolar ring-dark-in-bright Bose-Einstein condensate soliton