A structural reinforcement for a vehicle comprising: a) a carrier having i.) a base wall and ii.) a plurality of projections extending from the base wall, the plurality of projections including a plurality of first projections and a plurality of second projections and the first projections having a height greater than a height of the second projections; iii.) an activatable material affixed to the carrier, wherein the activatable material is configured to secure the carrier in a cavity of the vehicle; wherein in event of an impact, the first projections and the second projections are configured to deform toward the base wall, in a direction of an impact load; and wherein the first projections are configured to receive the impact load and deform before the second projections receives the impact load and deforms and wherein the carrier includes a first portion and a second portion separated by the base wall; wherein the first projections and the second projections are part of the first portion; wherein some of the plurality of projections form one or more cell-like structures extending from the base wall having four or more walls; wherein the plurality of projections include one or more ribs; wherein the carrier is a molded polymeric carrier; wherein the molded polymeric carrier includes at least one insert made of a material different than the molded polymeric carrier; and wherein the material of the insert has a higher yield strength than a yield strength of the molded polymeric carrier. a) a carrier having i.) a base wall and ii.) a plurality of projections extending from the base wall, the plurality of projections including a plurality of first projections and a plurality of second projections and the first projections having a height greater than a height of the second projections; iii.) an activatable material affixed to the carrier, wherein the activatable material is configured to secure the carrier in a cavity of the vehicle; wherein in event of an impact, the first projections and the second projections are configured to deform toward the base wall, in a direction of an impact load; and wherein the first projections are configured to receive the impact load and deform before the second projections receives the impact load and deforms and wherein the carrier includes a first portion and a second portion separated by the base wall; wherein the first projections and the second projections are part of the first portion; wherein some of the plurality of projections form one or more cell-like structures extending from the base wall having four or more walls; wherein the plurality of projections include one or more ribs; wherein the carrier is a molded polymeric carrier; wherein the molded polymeric carrier includes at least one insert made of a material different than the molded polymeric carrier; and wherein the material of the insert has a higher yield strength than a yield strength of the molded polymeric carrier. i.) a base wall and ii.) a plurality of projections extending from the base wall, the plurality of projections including a plurality of first projections and a plurality of second projections and the first projections having a height greater than a height of the second projections; iii.) an activatable material affixed to the carrier, wherein the activatable material is configured to secure the carrier in a cavity of the vehicle; wherein in event of an impact, the first projections and the second projections are configured to deform toward the base wall, in a direction of an impact load; and wherein the first projections are configured to receive the impact load and deform before the second projections receives the impact load and deforms and wherein the carrier includes a first portion and a second portion separated by the base wall; wherein the first projections and the second projections are part of the first portion; wherein some of the plurality of projections form one or more cell-like structures extending from the base wall having four or more walls; wherein the plurality of projections include one or more ribs; wherein the carrier is a molded polymeric carrier; wherein the molded polymeric carrier includes at least one insert made of a material different than the molded polymeric carrier; and wherein the material of the insert has a higher yield strength than a yield strength of the molded polymeric carrier.