【Size】 22.5 x 19.5 cm Material: TPU Weight: 210g ◎ Securely fixed with a hook ◎ Cool and comfortable back ◎ For backpacks, strollers, and baby carriers! ◎ Reusable ◎ Naturally freezes below 28°C Naturally freezes below 28°C! Attach it to your school bag or backpack for a cool, dry back ◎ Maintains a moderate cooling sensation + reusable This is an imported (no-brand) item. Compared to Japanese products, the construction may be less refined. It has been opened once for inspection, but it is a new, unused item. If you have any problems, please contact us before leaving a review. We will respond with sincerity. An ultra-thin, foldable cooling mat that can also be attached to school bags. - Type: Cooling mat - Features: Ultra-thin, foldable - Attachment method: Easy attachment with a zipper design - Uses: Can also be used for school bags Thank you for viewing.