Wallhack SP-004 Summer Miku limited edition, brand new, sealed and never opened, in original packaging. Seal on one corner was torn during shipping I presume (see pic #10). Other two seals are intact as I never opened it.
Description and specifications taken from Wallhack website:
The SP-004 (SkyPAD 004) provides an unparalleled glass surface designed for high accuracy tracking, combined with a 60A silicone base for a full footprint grip.

The silicate glass is micro-etched for a unique surface experience and heat treated at 620° Celsius to achieve the same structure and durability of tempered auto glass also known as safety glass.
Dimensions:

43 x 49 x 0.39cm - (16,92" x 19,29" x 0.14")