Cryogenic sleeves are protective covers fitted over cryogenic canes or sample straws within a storage vessel to protect samples from physical damage, contamination, and identity loss during storage and retrieval. In an IVF laboratory context, cryogenic sleeves serve both a protective and a labelling function – they provide a surface for patient or sample identification that remains legible at cryogenic temperatures and is resistant to the condensation that forms during retrieval. Half-size cryogenic sleeves are designed for compact cryogenic storage configurations where space within the vessel is at a premium. PVC cryogenic sleeves are widely used for standard cane protection, while other materials offer specific performance advantages in particular applications. The choice of sleeve type should be matched to the canes and storage configuration in use. Cryolab supplies IVF cryogenic sleeves in full and half sizes, suitable for standard and compact cryogenic storage systems used in licensed IVF and andrology laboratories.