It support infant’s delivate head and neck that is prone to injuries caused by in sufficient support. The cushy soft cushion roll provides ample soft support for neck and head to reduce discomfortness, leaving your baby secure and happy. Use both snugglers together for younger babies. For bigger infants, use the outer snugglers to achieve the perfect fit and comfort. Belt slots allow safety belts in carseat, high chair and also stroller to attach easily for added security. Ideal to be used on baby strollers, baby cribs, bouncers, carseat, in fact anywhere where extra cushy support is essential.