Compatible for the following variants

iPad 9.7”
Compatible models:

• iPad Air 1
• iPad Air 2
• iPad 5th Gen
  
• iPad 6th Gen
  
• iPad Pro 9.7”

iPad 10.2”/10.5”
Compatible Models: 

• iPad 7th
  
• iPad 8th
  
• iPad 9th
  
• iPad Air 3
  
• iPad Pro 10.5

iPad 11”
Compatible Models: 

• iPad Pro 11” 1st Gen
  
• iPad Pro 11” 2nd Gen
  
• iPad Pro 11” 3rd Gen
  
• iPad Pro 11” 4th Gen
  
• iPad 10th
  
• iPad Air 4
  
• iPad Air 5