Personalized That Was Pretty Cool 100 Days Of School Tote Bag. Whether it's a special event at school or a casual day out, our "That Was Pretty Cool 100 Days Of School" design is a must-have for your little one. It's a great way to commemorate this important milestone and create lasting memories. Get yours today and let your child shine on their 100th day of school! Light Weight 6oz 100% Cotton Tote Bag. 14.5"W x 15.5"H, handles are 20" in length.