Pictures shown are mature trees for sake of reference. 
This product is sold in transplant size bundles of 25.
(Not full grown)
 
Excerpt from: https://extension.umn.edu/trees-and-shrubs/red-maple
 
Deciduous tree
Height: 40 to 100 feet
Width: 15 to 75 feet
Medium to fast growth rate
Various forms - oval, rounded, upright, columnar
Red or magenta flowers appear before leaves emerge. Male and female flowers usually occur separately on individual branches within one tree canopy or on separate trees.
The fruit is a winged nutlet called a samara that can be seen twirling to the ground in May and June. Seeds can sometimes become a weed issue in garden beds.
Autumn leaves turn brilliant red, orange and yellow.
 
Hardiness zone: 3 to 9
Full sun to partial shade
Soil adaptable - grows in sandy to clay soils
Average to wet
Well-drained to poorly-drained
Tolerates compacted soils
pH 4.5 to 6.5