Back pack is this : https://www.amazon.com/dp/B0BRCYZZ7L?ref=ppx_yo2ov_dt_b_product_details&th=1
Foam cup holders : https://www.amazon.com/dp/B0B4JYR4Q4?ref=ppx_yo2ov_dt_b_product_details&th=1
Phone mount that I use, works well https://www.amazon.com/dp/B089SHV1JH?psc=1&ref=ppx_yo2ov_dt_b_product_details