Woohoo! Your sister-in-law's birthday is just around the corner and since both of you are basically best friend now, it is time to plan a huge celebration for her. Top it off with this sweet ecard too.
Her presence indirectly brings happiness to you. She is now among your bestest friend. On her birthday, celebrate her and treat her well. Don't forget to pass her this ecard too.
She is by far the coolest sister other than your own sister. She accepted you in the family with open arms. With her birthday coming up, it is time to plan a great celebration. Apart from all the festivities, send her a personal note with this ecard to leave a massive impact on her birthday.
It's your sister-in-law's birthday and as one of her new bestie, you have volunteered to plan the best birthday celebration that she will ever have. After everything is set, send her this ecard to excite her even more!