View 2 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin Size, Tool-Free Easy Assembly Twin 9-Inch Smart Box Spring --- SIZE TWIN

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View 1 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin Size, Tool-Free Easy Assembly Twin 9-Inch Smart Box Spring --- SIZE TWINView 2 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin Size, Tool-Free Easy Assembly Twin 9-Inch Smart Box Spring --- SIZE TWINView 3 of Amazon Basics Smart Box Spring Bed Base, 9-Inch Mattress Foundation - Twin Size, Tool-Free Easy Assembly Twin 9-Inch Smart Box Spring --- SIZE TWIN