HASTHIP Lunch Bag for Office and School with 20×14×25cm Capacity featuring Full Zipper and Grey Oxford Fabric | Insulated Bento Box for Men Women Kids Valve Core PARAMETER: USB step up boost

PARAMETER: USB step up boost converter input voltage

no matter for carrying textbook for class or for traveling

it supports practical control

safer and precise to use tool

HASTHIP Lunch Bag for Office and School with 20×14×25cm Capacity featuring Full Zipper and Grey Oxford Fabric | Insulated Bento Box for Men Women Kids Valve Core PARAMETER: USB step up boostHASTHIP Lunch Bag for Office Picnic Camping School is an insulated tiffin bag designed to keep meals fresh and temperature stable for hours. Made from durable cationic fabric and lined with aluminum foil, it provides reliable thermal insulation and easy cleaning. The full close zipper design allows quick access while enhancing heat retention, and the two side pockets offer added storage for small essentials such as keys or mobile phones. Measuring