Custom Biodegradable Empty Plastic Cosmetic Lipgloss Tube Packaging With Soft Brush

Hi, You say this product is biodegradable. What is it made of? We are a cosmetics company in US, and we want biodegradable packaging, but it must truly be biodegradable. Please let me know. Thank you, David
Item Name:Lip Gloss Tube
Diameter:19mm
Capacity:5-25ml
Shape:Round shaped
Cap:PP cap
Color:Custom color
Logo:Custom logo
MOQ:5000pcs
Feature:Eco-friendly
Delivery Time:25-30 days after deposit received
Material:plastic
Usage:Cosmetics
Surface Handling:Screen Printing
Cosmetic Type:Lip Gloss
Place of Origin:CN;JIA
Brand Name:ECOWAY