budget bargain?

check out this bad boy there be alrite to put round a lil grow space wont they there pretty reflective 2 1metre by 2 metres mergency blankets or this its 8FT BY 5 FOOT.
WHERE FROM I HEAR YOU SAY ... THE 1 THE ONLY...... POUND LAND YES THATS RITE POUNDLAND LMAO!!
ITS GOTTA BE BETTER THAN TIN FOIL

They are in walmart, camping section for those in the states. Emergency Blankets.

I used them for my first grow, put them on the walls and evrything went okay. They do leak light but are a decent cheapo alternative. Cant beat the price