1. capable of being sealed or closed tightly to prevent air, water, or other substances from entering or escaping

Examples

• The sealable plastic bags keep food fresh longer.
• Make sure the container is sealable before storing the chemicals.
• These sealable jars are perfect for preserving homemade jam.
• The sealable envelope protects important documents from moisture.
• We need sealable storage boxes for the basement.
• The sealable lid prevents spills during transport.