Raise a toast to the wonderful memories of past years with personalized rocks glasses as your 90th birthday party favors. These thoughtful gifts are easy to hold and solid with their sturdy glass bases. Customize them with the details of your 90th birthday party and share them with your friends and family at the end of the day. Not only will these delightful gifts win the approval of your guests, they will also serve as amazing reminders of your milestone birthday celebration in the coming years. Rocks glasses are 4" tall x 3 1/4" wide with a 13 oz capacity.