About product and suppliers:
            4,535 21.5 inch tablet products are offered for sale by suppliers on Alibaba.com, of which tablets & presentation equipment accounts for 69%, tablet pc accounts for 50%, and desktops accounts for 10%. 

A wide variety of 21.5 inch tablet options are available to you, such as 1gb, 2gb, and 3gb. You can also choose from 10", 15", and 12" 21.5 inch tablet

There are 4,535 suppliers who sells 21.5 inch tablet on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Hong Kong S.A.R., from which the percentage of 21.5 inch tablet supply is 1%, 98%, and 1% respectively. 

1.5 inch tablet products are most popular in United States, United Kingdom, and Canada.