Cost of aspen shavings has increased twice within 6 months. Plus 8% which I don’t charge. Apologies for the increased prices as I have no control over it. 

Use Kaytee small pet aspen bedding small flakes in my website as alternative. 
Excellent highest grade quality aspen shavings safe for all pets and highly comfortable for use. No dust. Kiln-dried pine shavings are a popular choice among chinchilla enthusiasts. It has a very long and safe history of being used with chinchillas and other sensitive animals, and it's inexpensive! Can be chewed! It’s hard wood! 
No chemicals added! Just kiln dried --dust free, super absorbent, heat sterilized, better bedding naturally and nature and sustainable source❤️
Most natural and safest. It’s ok for them to ingest. 
Line Pee pan n discard when wet. Or pick out soiled portions daily, refill and discard while tray of shavings after 3 to 4 days. Some people prefer to fill whole area of cage floor with shavings and replace weekly. 
Each Pee pan I fill about 70g

Estimate Guide Per chinchilla: 1 kg : 2 weeks 

2 kg : 1 month

5 kg: 2.5 months 

10 kg: 5 months 

“My aircon  had chemical wash but was choked after 1.5 months bec of pine bedding. With aspen, I don’t see the chokage. Happy with it! “

”My chinchilla has no more experience of seizures after we switched to aspen”