This is a single-sided SONIC Alrock pencil case. Made in Japan with the concept of "lightweight and durable," it features the "Alrock anti-spill" function, which prevents the contents from scattering inside a school bag. Patented technology is used. 【Brand】SONIC 【Category】Pencil Case 【Condition】New 【Color】Black 【Features】Single-sided, Made in Japan, Alrock function (anti-spill) Please contact us before purchasing, as this item is also sold on multiple other sites. Thank you.