Breed Standards
Netherland Dwarfs
Considered the "Gem of the Fancy" by some they were recognized by the ARBA in 1969.  When showing them they should be small and compact with a fully rounded head and a broad skull.  The eyes are large and round.  The ears being erect and thick and rounded at the tips, being ideally 2 inches in length, and not over 2 1/2.  The maximum weight for animals under 6 months of age is 2 pounds with a minimum of 1 pound. And the maximum weight for show purposes at 2 1/2 pounds.  They have dense fur and of rollback type. 
The schedule of points is: 35 for body conformation or type
15 for the head
15 for the ears
5 for the eyes
10 for fur
15 for color
5 for condition
There are 5 color groups to chose from, with a number of varieties under each group.  
Mini Rex
They are like the velvet rabbit.  They are known for there fur quality.  Senior weights 3 to 4 1/4, with the ideal 4 pounds.  Junior weight (under 6 months) maximum 3 3/4, with a minimum of 2 pounds.  The fur has an ideal length of 5/8 inch.  The schedule of points for them in showing is: Body = 35
Head = 5
Ears = 5   Total = 45
Fur = 35
Color = 15
Condition = 5  Total = 100

Tri Colors can come in Black,Orange and White
Chocolate,Orange and White                                (These are the recognized color combinations)
Blue,Fawn and White
Lilac,Fawn and White

Another thing is ear length, ears over 3 and a half inches will be disqualified. They come in alot of different colors, so you will for sure find something of interest.  They have a great personality and are very laid back.  Have fun!