Size:

High-end white-[load 500kg] warranty for 5 years

High-end black-[bearing 500kg] warranty for 5 years

High-end green-[bearing 500kg] warranty for 5 years

High-end yellow-[bearing 500kg] warranty for 5 years

High-end Orange-[bearing 500kg] warranty for 5 years

High-end Blue-[bearing 500kg] warranty for 5 years

High-end red-[bearing 500kg] warranty for 5 years

Color:

This is the price of buying 1-order [5-year warranty]]

This is the price for buying 2.3-orders [5-year warranty]]

This is the price of buying 4-order [5-year warranty]]

This is the price for buying 100-orders [5-year warranty]]