Material and safety: Made of foodgrade PET plastic that is odorless, durable, and suitable for lowtemperature fridge use. Construction: quality plastic construction for longlasting use in kitchen storage. Capacity and design: Includes 15 refrigerator egg racks with concave slots to cradle eggs securely and prevent movement. Expandability: Multiple units can be connected to create a larger egg storage solution if more storage is needed. Practical benefits: Keeps eggs organized in the fridge, protects eggs from damage, and helps maximize pantry or refrigerator space. Use scenarios: Home kitchen fridge: Daily egg storage in an organized, accessible layout. Small apartment or dorm fridge: Efficient space utilization with compact, modular storage. RV or camper fridge: Secure egg organization during travel and on the road. Compatibility and performance: Designed to stay reliable in typical household refrigerator temperatures while maintaining easy access and clean presentation.