**Product Specifications:**
Brand: DuoLi Doctor
Product Name: Vertical Flip Math Exercise Book
Size: 16k, 22 double-sided pages
Type: Math Exercise Book
Features: New national standard anti-myopia exercise book with grid lines
Class:
Name:
Number:
Packaging: 10 books per pack
School:
Product Display: Product display
Note: Dimensions are hand-measured and may have a slight error of up to 0.5mm.
**Internal Content:**
Type: Math Exercise Book with grid lines
Size: 183.3x258mm
Paper: Natural color, soft and non-irritating, reduces eye fatigue
Binding: Cold glue binding, prevents pages from falling out
Capacity: 22 sheets per book
Paper Type: Soft yellow paper, gentle on the eyes
Note: Dimensions are hand-measured and may have a slight error of up to 1.5mm.
**Additional Information:**
Smooth writing, no paper snagging
Suitable for vision exercises
Class:
Name:
School:
Student ID:
Thick paper, prevents ink from bleeding through
**Note:** The provided text seems to contain some random characters and does not appear to be relevant to the product specifications.
