Reptile leaves can help keep the humidity in longer, taking up a decent amount of space. Bendable Vine. 2 x 2m/ 6Ft Bendable Vine with Leaves. 1 x 3m/ 10Ft Bendable Vine. Wipe the sucker and glass wall, ensure them clean and from dust before sticking the suction cup to the back or side walls or your terrarium.