Astroshastra, presents different designs of malas made by Parad Beads. All the malas are enegized in the name of person who orders them so that they can get maximum benefits by wearing them. Rosaries are made by the combination of beads of different sizes or same size, in total making a mala of 108+1 beads.
You can wear them around your neck or use them for Japa. It is advisable to use them for wearing. You can all offer the mala to shiva linga or idol of Lord Shiva.