11 roses: love you wholeheartedly, focus on the meaning of love; There is also 1+1 = 2,2 homophonic "love", indicating that two people love each other forever.
11 Pink roses: With all my heart, I belong to you. Pink roses represent touching, declaration of love, remember in the heart, first love, like your bright smile.
11 yellow roses: Cherish each other all your life. The yellow rose represents friendship, indicating that nothing can replace your friendship! It also shows that the friendship between you is worth your whole life to cherish.