Could anyone tell me what size sheet of ppf I need? Is a 12 inch square sheet for $10 big enough? VViViD 3M Clear Paint Protection Vinyl Film 12" Wide Choose Your Size (12" x 12") https://www.amazon.com/dp/B01LZN1IK9/ref=cm_sw_r_cp_apa_i_9S4ZCbG72GDDV