Balloons with photos of memories tied to the bottom is a sentimental and thoughtful proposal idea. Let her pop all of the balloons to find the ring. You can fill the rest of the balloons with sweets, glitter or flowers.
Possible centerpiece idea. Tie balloons to current vases Balloon Centerpiece using mason jars.like this idea you can fill the jars with whatever you like - Candy for kids, shells, colored marbles, flowers, themed items. A Good idea to shelf.