Difference from other supplier :
1.Double TPU +Waterproof Oxford
2.Built-in plastic plate guarantees a sharp sturdy edge which can easily wedge into any tight spaces .
Features :
1.Inflatable air wedge applies for window, door and cabinet installations, replaces damaging pry bars and wooden shims .
Don't need other chocks .
Adjustable rang 2mm-50mm .
2. 100 kg load rating safely handles full size installations with just a single installer; effectively saving your installation time and labor.
Size:
Large - 10.83 x 5.31 inch / 27.5 x 13.5 cm
Medium - 6.3 x 6.7 inch / 16 x 17 cm
Small - 7.2 x 4.53 inch / 18.5 x 11.5 cm