Topps released this red-bordered oversized set on September 10, 2015 in their online store at Topps.com. This particular set mimics the 2015 standard Topps base set and features 700 cards and each card is numbered to just 10 copies.
Here is the original link to purchase the set: 2015 Topps Oversized Set
The original description from Topps reads:
Oversized 5×7 complete set of all 700 cards in 2015 Topps Series 1 & 2.
Cards will be red bordered and numbered to 10
- Foil numbered to 10
- Includes 700 5″x7″ oversized trading cards
- Printed front/back on 16pt glossy trading card stock