TRIPRISM SPINNER 55/20 TSA-RED The design is inspired by the triangular prism model. Smart and practical interior organization SafePlux™ double anti-theft zippers The 4-wheel double 360° system operates smoothly and quietly. The casing has a textured surface that enhances scratch resistance. A 3-digit TSA lock, a US standard security lock. The push handle is sturdy and its height is adjustable.