Sai is a modular wall-mounted bookshelf by Jiyoung Seo made of modular silicone blocks. You can wedge items in between the blocks, move them around, or even pin notes to them.

Sai by Jiyoung Seo in main home furnishings  Category

Sai by Jiyoung Seo in main home furnishings  Category

Sai by Jiyoung Seo in main home furnishings  Category

Sai by Jiyoung Seo in main home furnishings  Category

Photos by Young Mi Kim.