This is for a Cheng Shin Turf Tire 20x8-10 20 x 8 -10 4 ply Lawn Mower Turf C165S Tread.  Sold in pairs.  Flat rate charge for 47 continental US states. Florida addresses will also need to pay an additional $6.50 for insurance and signature for guaranteed delivery.  Alaska, Hawaii, and all US Territories pay for their own shipping.  Questions are always welcome.  Thanks.