Personalized Breast Cancer Sister in Law Toddler Sweatshirt. Cute Breast Cancer support design has a lovely pink butterfly with I Love My Sister in law quote. Keep your little one cozy and stylish with this soft and durable toddler sweatshirt. Designed for comfort and ease of movement, it features a classic fit with ribbed cuffs and hem for added warmth. Perfect for everyday wear, playtime, or chilly outings, this sweatshirt is made to withstand the adventures of an active toddler