Suggest only attaching the top shelf In case a monarch decides to form a chrysalis, from it. it will be easier to remove, or left to hang.

Specifications for large tubes:
Material: plastic tube and soft silicone cap
Color: clear
Size: Tube 4" in length, 1.2" in opening width. The top cap has about 1/4" opening

Specifications for Rack:
Material: unbreakable plastic
Color: White
Dimensions: 9.7 x 4 x 2.5 inches. 21 slots for up to 1.2" tubes in width.

Package includes：
1 x Large Floral Tube Rack Holder
10 x Floral Tubes