Item # 29005 56 x 20 x 0.375" (142 x 51 x 1 cm)Item # 29010 72 x 20 x 0.375" (183 x 51 x 1 cm)Item # 29015 72 x 27 x 0.375" (183 x 69 x 1 cm)Item # 29020 72 x 27 x 0.5" (183 x 69 x 1.3 cm) These ultralight closed-cell EVA foam pads provide super insulation and comfort under any sleeping bag. The tough, light, blue foam stands up to cold temperatures as low as 60F without cracking or becoming brittle.