Abstract: A lightweight, portable sitting support for infants that provides back and side support for infants that can hold their heads up well and sit up for some amount of time unassisted but that do not yet have the skills to remain in a seated position without back and side support which is structurally sturdy and does not rely for stability on its own mass and weight or on the mass and weight or balance of the individual using it and which also has other applications during the child's infancy and as the child grows including as a lightweight, portable sleeping mat, chair and lounge chair. The base of the invention is a substantially rectangular-shaped, thinly padded base made of strong fabric such as nylon. Extending from the base are four cushions and four flaps with buckles. Two parallelepiped substantially rectangular-shaped cushions of the same width as the base extend horizontally over the base beginning at one of the base's horizontal edges and cover approximately two-thirds of the surface area of the base.