SentrySafe P005CR 0.05 Cubic Foot Combination Compact Safe, Red Dimensions (HxWxL): Exterior: 2.6 x 5.9 x 8.0 inches; Interior: 2.4 x 5.3 x 6.6 inches Programmable 3-number mechanical lock for simplicity of use Steel tethering cable for increased security Durable, solid steel construction Soft interior lining protects fragile and expensive contents from scratching and damage