After my vacation I'll be back into parts making mode

What size is the sheet dimension and thickness. material? They have TP sheets on Ebay for cheap, 12X24 for like $20 and 8 packs of 12X12 for $18. Here is ~8 square yards for $70. alibaba.com is a B2B marketplace that has some great deals but you have to be aware of shipping and minimum orders.
Lot of 8 ABS Thermoplastic Sheet .06 Inches Thick 48" By 33" And 48" By 30" New | eBay