1.flipsnack offer free. Yes absolutely free to embed and get link
https://www.flipsnack.com/F5AAF6AA9F7/pet-stroller-and-carrier-product.html
Here is the sample for a pet stroller and carrier company
2. The flippingbook.com is the number 1 competitor of issuu pdf submission site. But this one looks better because you can upload multiple files
https://online.flippingbook.com/view/156872610/
Ibiyaya 2022 Catalog for Pet Carriers and Strollers
3. The Flip html5 is easy to use. You can publish right away in 3 step
a. register with regular email
b. verify with your email
c. Upload the pdf file
d. Configure or set your pdf
https://online.fliphtml5.com/bngtr/fdgp/
4.. Here is another one https://www.yumpu.com/
https://www.yumpu.com/s/Nw4mDW91S8Jn7HQ2
5. The relay to is another website that provide free catalog submission
https://relayto.com/ibi-yaya/catalog-en-2022single-page-dw942jg9johvb/flip-book#page=1
