17.56 x 10.63 x 4.13 inches

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Cardboard Inserts: Use this set of 12 cardboard shirt inserts to create custom t-shirts for an upcoming themed-party or school rally; adults and children of all ages will enjoy creating custom tees while unleashing their imagination
Get Creative: Easily customize your shirts without making a mess, simply place the cardboard t-shirt insert in between the fabric to protect against paint, marker, or pens from bleeding through to the opposite side